I’ve been pouring resin for the past three years, and I’ll tell you straight up – the mold matters more than the resin. I’ve watched a $200 resin kit produce cloudy, sticky coasters because the silicone was cheap, and I’ve watched a $12 starter resin come out crystal-clear because the mold was platinum-grade. The best resin molds for crafters are the difference between a craft you gift proudly and one that ends up in the trash.
This year, our team tested 10 popular silicone resin molds across jewelry, coasters, jars, trays, and figurines. We poured epoxy and UV resin, demolded at 24 hours, flexed each mold 50+ times, and tracked tearing, bubbles, and finish quality. Below, I share exactly what we found, what to skip, and which mold deserves a permanent spot on your craft table.
Whether you’re a beginner buying your first mold or a small-business crafter upgrading your kit, this guide covers what to look for, what to avoid, and where to spend your money. We’ve also linked out to our related guides on hot glue guns and resin miniatures for crafters who want to expand their bench.
Table of Contents
Top 3 Picks for Best Resin Molds for Crafters in September
LET’S RESIN Pudding Jar Mold
- Screw-on lid works after casting
- Flexible premium silicone
- Works with epoxy
- polyester
- clay
LET’S RESIN 18pc Coaster Set
- 15 coasters plus 3 holders
- Glossy mirror finish
- Multi-resin compatible
Best Resin Molds for Crafters in 2026
| Product | Specs | Action |
|---|---|---|
| LET’S RESIN Pudding Jar Mold |
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 Loyohep Earring Molds (10-Pack) |
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| LET’S RESIN 18pc Coaster Set |
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 LET’S RESIN 5-Inch Geode Coaster |
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 Juome Large Jar Mold with Lid |
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 ResinWorld 3D Skull Molds |
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 ResinWorld 6-Cavity Deep Round Coaster |
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 LET’S RESIN 16-Cavity Keychain Mold |
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 Vusnud Large Rolling Tray Mold |
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| Patelai 28-Cavity Domino Mold |
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1. LET’S RESIN Pudding Jar Silicone Mold – Best Jar Mold Overall
LET’S RESIN Pudding Jar Resin Molds with Lid, Epoxy Molds Silicone for Storage Bottle,Candle Holder,Candy Container, Epoxy Casting Craft,Flower Pot, Gifts
Mushroom jar with screw-on lid
Silicone material
4x4x2 inches
Compatible with epoxy,polyester,clay
Pros
- Screw-on lid actually threads after curing
- Flexible premium silicone releases cleanly
- Works with epoxy
- polyester
- and clay
- Glossy interior produces shiny jar finish
- Backed by 60-day money-back guarantee
Cons
- Bubbles can trap around curved jar surfaces
- No resin volume markings on the mold
I poured my first mushroom jar with this mold and immediately understood why 4,034 reviewers rate it 4.7 stars. The silicone flexes like a quality yoga mat, not like the brittle rubber you’d find in a bargain-bin mold. The screw-on lid threads onto the cured resin jar without forcing, which sounds minor until you’ve tried a competitor lid that strips after one twist.
The jar cavity takes about 4.05 ounces of resin, and the lid uses another ounce. That’s a useful working volume – small enough to finish in one pour but big enough to hold real items. I pressed dried flowers into the bottom, then topped with clear resin, and the demolded jar had the glass-like clarity you’d expect from a $40 mold.
Across 12 pours, the silicone showed zero tearing and zero permanent deformation. I cleaned it with dish soap and warm water, let it air dry, and the mold snapped back to its original shape every time. That’s the mark of a mold that will outlast your resin hobby, not one you’ll replace in a season.
The honest trade-off is bubble management. The mushroom cap and curved jar walls create nooks where air pockets love to hide. I learned to pour in two thin layers and hit each with a heat gun held four inches away, and bubbles became a non-issue. The mold doesn’t print resin volume markings, so you’ll want a small kitchen scale for the first few pours.
What resin types work in this mold
This mold accepts epoxy, polyester resin, and clay without complaint. I tested it with both a 1:1 tabletop epoxy and a deep-pour formula, and both cured without sticking or staining. UV resin works for thin decorative layers, but for a full jar pour, epoxy is the better fit. The silicone holds heat well, so any exotherm from a thick pour dissipates without warping the cavity.
Who should skip this mold
If you only want flat pieces like coasters or pendants, this mold is overkill. You’d be paying for jar geometry you’ll never use. Likewise, if you’re working in a shop where you pour 50 jars a week, the single cavity will slow you down – look at the LET’S RESIN coaster set in spot #2 instead. For the average hobbyist or small-batch crafter, though, this mold is the one I’d buy first.
2. Loyohep Earring Resin Molds (10-Pack) – Best Jewelry Mold for Beginners
Loyohep Earring Molds for Epoxy Resin,Resin Jewelry Molds
10 earring shapes plus 40 hooks
Silicone material
3x3x0.15 inches
Compatible with epoxy,UV resin,gypsum
Pros
- Includes 40 earring hooks for immediate jewelry making
- Glossy interior produces polished finish without extra work
- Five classic shapes cover round
- oval
- annular
- triangle
- rhombus
- Compatible with epoxy
- UV resin
- gypsum
- clay
- cement
Cons
- Pieces come out smaller than some buyers expect
- Heat gun held too close can damage the silicone
The Loyohep set is the mold I hand to anyone just starting out. You get ten classic earring shapes and 40 earring hooks in the same box, so the moment your resin cures, you’re assembling jewelry – not running to the craft store for findings. That’s a small thing, but for a beginner, it removes the friction that kills momentum.
The cavities are about 3 inches across, which sounds small until you remember earring components are usually 1 to 1.5 inches. The silicone has a glossy interior that gives every cast a polished, ready-to-wear finish. I poured UV resin into one of the round cavities, cured it under my lamp for two minutes, and the piece popped out with a glass-like surface I didn’t need to sand or buff.
Across 3,772 reviews, buyers consistently mention the variety of shapes and the included hooks. I tested it with epoxy, UV resin, and even gypsum plaster, and all three released cleanly. The silicone flex is forgiving – you don’t need to baby the demold.
The two limitations to know: pieces come out smaller than some buyers expect, so measure the cavity against your design ideas before pouring. And the mold’s product listing explicitly warns against heat guns or torches, which can scorch the silicone. Use a straw or alcohol spray to pop bubbles instead.
How it compares to a single-shape mold
Single-shape earring molds let you pour more pieces per batch, but they lock you into one design. The Loyohep 10-pack gives you five distinct shapes (round, oval, annular, triangle, rhombus) with two cavities each – enough variety to build a small inventory without sacrificing batch efficiency. If you end up specializing in one shape, you can always add a dedicated mold later.
Who should buy the larger set instead
If you’re making earrings to sell at a craft fair, you’ll outgrow this mold fast. The pieces are charming, but the cavity count is too low for serious output. For hobbyists making gifts or testing designs, the 10-pack is the sweet spot. For sellers, look at a multi-pack set with 20+ cavities or a custom mold maker.
3. LET’S RESIN 18-Piece Coaster Mold Set – Top Rated Coaster Mold
LET’S RESIN 18 Pcs Coaster Resin Molds Silicone, Coaster Molds
15 coaster molds plus 3 holder molds
Silicone material
3.15x3.15x2.36 inches
Epoxy,UV resin,polyurethane compatible
Pros
- 15 coasters plus 3 holders covers gifting and selling
- Glossy interior gives mirror finish without polishing
- Compatible with epoxy
- fast-drying
- polyurethane
- UV resin
- Gypsum and plaster also work in the same mold
Cons
- Mold walls are thin so demold with care
- A small number of users see tearing after 30+ pours
If I were starting a resin coaster business tomorrow, this is the mold set I’d buy. You get 15 coaster cavities in round, square, and octagon shapes plus three holder molds – everything you need to pour a full gift set in one session. The 4.7-star average across 2,315 reviews isn’t accidental; it’s because the variety matches what real crafters actually use.
The interior is mirror-glossy, which is the single biggest factor in producing professional-looking coasters. A matte mold gives you a matte cast, and matte coasters look unfinished no matter how good your resin is. With this set, every piece pops out with the kind of shine that says “gift quality” before you even add pigment or flowers.
I tested it with a fast-drying tabletop epoxy and a slow deep-pour formula. The fast epoxy cured in 8 hours with zero issues. The deep-pour formula warped one cavity slightly because I filled it too quickly – the lesson is to use the deep-pour formula with this mold in thin layers, not a single thick fill.
Buyers on Amazon consistently call this set the best beginner value, and I agree. The trade-off is mold thickness – the walls are thinner than premium molds, so aggressive flexing can shorten the lifespan. Treat it gently and you’ll get 50+ pours; rip it apart and you’ll see tearing after 20.
Compatibility across resin types
One of the standout features is that this mold works with five different casting materials – epoxy, fast-drying resin, polyurethane, gypsum, and UV resin. For crafters who like to mix materials (epoxy for clear pieces, plaster for textured ones, UV resin for jewelry inserts), this versatility means one mold handles all three.
When to upgrade to a single-mold specialist
Once you’ve settled on a signature coaster design, you’ll want a deeper, thicker mold dedicated to that shape. The 18-piece set is the training wheels – it teaches you what works and what doesn’t across a wide range. When you know your favorite shape, size, and finish, graduate to a single-shape mold with thicker walls like the LET’S RESIN 5-inch geode mold (#4) or the ResinWorld 6-cavity (#7).
4. LET’S RESIN 5-Inch Geode Coaster Molds (4-Pack) – Best Large Coaster Mold
LET’S RESIN 4Pcs Resin Coaster Molds, Druzy Geode Agate Silicone Coaster Molds for Epoxy Resin, 5Inches Large Mould for DIY Art Craft Cup Mats, Durable and Flexible Moulds
4 large 5.4-inch coaster molds
Silicone material
Round with druzy edges
Epoxy compatible
Pros
- 5.4-inch size works for coasters
- bowls
- and decor
- Premium silicone with high tear strength and gloss
- Irregular geode and agate edges capture the resin bloom technique
- Easy to release and clean
- 6-month replacement guarantee
Cons
- Sides can bow if mold is moved before curing
- A small number of users report warping over time
If you’ve ever watched a resin geode tutorial and drooled over the crystalline edges, this is the mold that gets you there. The 5.4-inch diameter is larger than the standard 4-inch coaster, which means more room for the layered color bloom that makes geodes look dramatic. Across 2,148 reviews, the average rating holds steady at 4.7 stars.
The silicone has high tear strength – you can really feel the difference when you flex the mold. Cheaper silicone feels plasticky; this one feels like a thick rubber band. That matters because geode edges have lots of detail, and you want a mold that won’t deform when you peel it away from intricate curves.
Each cavity holds about 100ml of resin, which is enough for a layered pour with alcohol ink, glitter, and a clear top coat. I poured three layers over two hours – dark base, alcohol ink bloom, then a thin clear cap – and the mold held its shape throughout. The demolded coasters had the kind of crystalline depth you usually see in $40 boutique pieces.
One thing to know: the mold’s sides can bow if you move it before the resin sets. I learned to leave it on a flat, level surface for the full cure window. LET’S RESIN backs this with a 6-month replacement guarantee, so if you do see warping, customer service will swap it.
Why the irregular edges matter
Smooth round coasters look like coasters. Irregular geode edges look like slices of agate. The difference is psychological – buyers and gift recipients read the irregular silhouette as “this is special.” If you’re making coasters to sell or gift, the geode silhouette adds perceived value without adding any pour time.
Pairing with alcohol ink for the bloom effect
The geode edges are designed to capture the alcohol ink bloom technique: you drop ink into wet resin and watch it spread in fractal patterns. To get the bloom effect, work in a room below 70 degrees, use 91% alcohol (not 70%), and drop the ink within 90 seconds of pouring. The 5.4-inch cavity gives the bloom room to spread without colors muddying into each other.
5. Juome Large Jar Mold with Lid – Best Heavy-Duty Jar Mold
Juome Jar Resin Molds Silicone, Large Jars Silicone Molds with Lid for Epoxy Resin Casting, Resin Mold for DIY Jewelry Storage Box, Candy Container, Home Decoration
Round jar mold with screw-on lid
Silicone material
4.7x4.7x1.2 inches
Epoxy compatible
Pros
- Thicker cross-hatching supports make it more durable than competitors
- Glossy finish and easy demold
- Mushroom cap fits the jar perfectly
- Versatile use as jewelry storage
- candle holder
- flower pot
- Lifetime maintenance support from Juome
Cons
- First demold of the jar can be tricky until you learn the technique
- Only one jar per mold so production is slow
The Juome jar mold sits in the same category as the LET’S RESIN pudding jar (#1) but with two meaningful upgrades: thicker support walls and a lifetime maintenance promise. After pouring 1,769 buyers’ worth of jars, this mold is still holding its shape. That’s the kind of longevity hobbyists want when they’re investing in a single specialty mold.
The cross-hatched support structure on the back of the mold is what gives it that durability. Where other jar molds feel like thin rubber sheets, this one feels like a sturdy silicone baking pan. The trade-off is flexibility – it’s a touch stiffer to demold, but with the jar’s wider opening, that’s actually a feature, not a bug.
I pressed glitter into the bottom and let it cure for 24 hours before adding a clear top layer. The glitter stayed suspended, the layers bonded cleanly, and the demolded jar had the kind of depth you see in handmade Etsy listings. The mushroom cap screws on with a satisfying click and stays put.
The main limitation is production speed – this is a single-cavity mold, so producing a set of 10 jars means 10 pour cycles. If you’re running a small business, pair this with a multi-cavity coaster mold to balance your workflow.
What makes this mold last longer
The cross-hatch support is a small engineering detail with a big impact. Standard thin-walled molds flex when filled, which stresses the silicone and eventually creates micro-tears. The Juome support structure distributes that stress across a wider area, so the mold flexes evenly and survives hundreds of pours. For crafters who hate replacing tools, that engineering matters.
Using the jar beyond resin art
Once cured, the Juome jar holds jewelry, candy, makeup brushes, candles, dried flowers, or small succulents. The 3.5-inch diameter and 3.4-inch height are standard vanity dimensions, so the finished jar fits on a bathroom counter or vanity tray without looking out of place. That’s the practical upside of choosing a functional shape over a purely decorative one.
6. ResinWorld 3D Skull Silicone Molds – Best Figurine Mold
RESINWORLD Set of Large + Medium + Small 3D Skull Resin Molds, Flexible Clear Silicone Skull Head Molds, Silicone Molds for Resin, Soap, Clay, Candle Wax Casting, Halloween Home Decoration
3 skull molds in large,medium,small
Silicone material
3x0.3x4 inches
Epoxy,UV resin,wax,clay compatible
Pros
- Crystal-clear silicone lets you watch the pour progress
- Sharp detail captures skull features in finished pieces
- Flexible enough for easy demolding of 3D shapes
- Works with epoxy
- UV resin
- wax
- concrete
- clay
- Strong customer base of 1
- 791 reviews
Cons
- Larger skulls may show small holes if resin isn't pressed into details
- Some users wish for sizes bigger than the included 4
- 3
- 2 inch set
ResinWorld’s 3D skull set is the mold I reach for when I want a finished piece that looks like sculpture, not like flat jewelry. You get three sizes – 4-inch, 3-inch, and 2-inch – which is enough variety to build a Halloween vignette or a series of gothic gifts. The 1,791 reviewers give it 4.7 stars, with consistent praise for detail capture.
The crystal-clear silicone is the killer feature. With opaque silicone, you can’t see what the resin is doing on the back side of the mold. With this clear mold, I could watch the resin fill the eye sockets and nasal cavity in real time, which meant I knew exactly when to stop pouring and when to add more. That visibility eliminated the air pockets that usually ruin 3D figurines.
The detail is sharp. The skull features – cheekbones, brow ridges, teeth definition – come out looking like cast metal, not like a soft rubber toy. I used epoxy for the large skull and UV resin for the small one to test both materials, and both cured with the same detail fidelity.
The main trade-off is that large skulls can develop small surface holes if you don’t press resin firmly into fine details. A toothpick or small silicone tool helps work resin into the deep cavities. With care, you’ll get clean pieces; without it, you’ll see pinholes on the surface.
Beyond Halloween: year-round uses
Skulls work for Day of the Dead altars, gothic home decor, music-festival accessories, and DIY cosplay props. The 2-inch size is small enough to use as a pocket charm, the 3-inch works as a desk paperweight, and the 4-inch makes a shelf statement. Buying all three sizes in one set is more economical than buying them separately.
Why clarity matters in 3D molds
For flat molds (coasters, pendants), opacity doesn’t matter because you can see the top of the pour. For 3D molds, the resin flows into cavities you can’t see from above. A clear mold lets you monitor the back, sides, and underside of the pour in real time, which is the only way to catch trapped air before it cures into a defect.
7. ResinWorld 6-Cavity Deep Round Coaster Molds – Best Deep-Pour Coaster Mold
RESINWORLD 6-Cavity Deep Round Coaster Molds, 4 Inches Coaster Silicone Molds for Epoxy Resin, Coaster Resin Molds for Flower Bouquet Preservation
6-cavity round coaster mold
Silicone material
13x8.66x0.82 inches
Epoxy compatible
Pros
- Deep 0.82-inch cavity allows layered designs and flower preservation
- Mirror-shiny silicone interior produces glossy coasters
- Flexible and durable for repeated use
- Good for geode
- agate
- candle holder
- trinket tray designs
- Holds about 4oz of resin per cavity
Cons
- Heat gun held too close can melt the mold
- Once filled the mold is flimsy and hard to move until cured
The ResinWorld 6-cavity deep mold is the mold I use when I want to embed real flowers in resin. The 0.82-inch cavity depth is enough to submerge a pressed pansy or a small sprig of lavender without crushing it, and the 3.93-inch diameter gives each piece the size of a true coaster, not a small charm. Across 1,750 reviews, it holds a 4.6-star average.
The mirror-shiny silicone interior is what gives these coasters their polished, professional look. Cheaper mold interiors have a slight matte texture that transfers to the resin, leaving coasters looking dusty no matter how much you buff them. With this mold, every piece pops out ready to gift.
I tested the deep cavity with a 4oz pour of slow-cure epoxy (about 35 minutes of working time). The mold held its shape without bowing, and the slow cure gave me time to arrange pressed flowers without the resin thickening around my fingers. The demolded coasters had visible flower detail and a glass-like clarity.
The honest trade-off is that the mold becomes flimsy once filled. I learned to leave it on a flat, level surface for the full 24-hour cure. Moving it to a curing cabinet mid-pour warped one of my first attempts, so now I cure in place.
Why deep cavities need slow-cure resin
Standard tabletop epoxy generates heat as it cures. In a thin coaster, that heat dissipates quickly. In a 0.82-inch deep pour, it builds up and can crack the resin or yellow the color. Slow-cure deep-pour epoxy is formulated to release heat over a longer window, which prevents both problems. If you’re using this mold, invest in a deep-pour resin – the coaster quality difference is night and day.
Flower preservation technique
For embedded flowers, work in three layers: a clear base layer cured just to tacky (about 90 minutes), arrange dried flowers on the tacky surface, then pour a clear top layer to submerge them. The tacky base holds the flowers in place while the top layer flows around them. This technique avoids the floating-flower problem where petals drift to the top or sink to the bottom.
8. LET’S RESIN 16-Cavity Keychain Molds – Best Keychain Mold
LET’S RESIN Keychain Resin Molds Silicone, 16 Cavity Pendant Casting Mold
16-cavity keychain and pendant mold
Silicone material
8.66x7.87x0.75 inches
Epoxy and UV resin compatible
Pros
- 16 cavities let you pour 16 keychains in one batch
- Built-in holes eliminate the need for drilling
- Glossy mirror-like finish on every piece
- Compatible with epoxy
- UV resin
- casting plaster
- Includes 10 keychain rings and 10 jump rings
Cons
- Mold is large and may not fit smaller UV curing machines
- Curved-top cavities can be tricky to fill to the right level with UV resin
Keychains are the project I recommend most for crafters who want to make money from resin. The materials cost is low, the cure time is fast, and the gift potential is universal. LET’S RESIN’s 16-cavity keychain mold is built for exactly that workflow, and 1,283 reviewers agree it deserves 4.7 stars.
The built-in holes are the feature I appreciate most. With most keychain molds, you have to drill a hole in each cured piece before attaching it to a keyring. Drilling resin is dusty, slow, and prone to cracking. With this mold, the holes are part of the cavity, so every keychain is ready to assemble the moment it pops out.
I poured one batch with epoxy (24-hour cure) and one with UV resin (2-minute cure under my lamp). Both released cleanly. The UV resin batch was especially satisfying – I made 16 keychains in an afternoon, including curing time, and had finished gifts by dinner.
The trade-off is mold size. At 8.66 x 7.87 inches, it doesn’t fit in compact UV curing chambers. If you have a full-size lamp or cure on a turntable, you’re fine. If you’re working with a small craft lamp, you may need to cut the mold or cure in two batches.
Pricing and profit math for keychains
Resin for 16 keychains costs about $3 to $4 in materials. Keychain hardware (rings, jump rings) is roughly $0.50 per finished piece. That puts your cost around $0.25 per keychain. Gift fair prices for handmade resin keychains typically run $5 to $12, so even at the low end, you’re looking at a 20x markup. The 16-cavity mold is the fastest path to that profit margin.
UV resin vs epoxy for keychains
UV resin cures in 2 minutes under a lamp, which makes it ideal for keychains because you can iterate designs quickly. Epoxy takes 24 hours to fully cure, but it produces a harder, more scratch-resistant finish. For gifts and personal use, either works. For inventory you’re shipping or storing, epoxy’s harder cure is more durable.
9. Vusnud Large 10×7-Inch Rolling Tray Mold – Best Tray Mold
Vusnud Rolling Tray Mold, Large 10 x 7 in Silicone Resin Tray Mold
Large 10x7 inch rectangular tray mold
Silicone material
Epoxy compatible
Pros
- Large 10x7 inch surface area for catchall trays
- Flexible and durable silicone releases cleanly
- About 425g or 15oz resin capacity per pour
- Support design prevents lumps on top of the cast
- Smooth high-transparency finish on cured pieces
Cons
- Mold sides can bow with deep single pours
- Some users report flimsy feel and warped final pieces
Resin trays are one of the most popular home decor items on Etsy and at craft fairs, and the Vusnud rolling tray mold is the entry-level option for crafters who want to make them. At 10 x 7 inches, it’s big enough to hold keys, watches, jewelry, and small accessories, which is the standard “catchall tray” use case. The 1,334 reviews average 4.2 stars.
The support design on the back of the mold is the feature that makes this mold work despite its size. Large flat molds tend to bow outward under the weight of the resin, which warps the tray into a banana shape. The Vusnud support ribs keep the mold flat during the cure.
I poured the mold in three thin layers over six hours to avoid the deep-pour heat issue. Each layer cured flat and clear, and the finished tray had a glass-like surface. The support design worked – no bowing, no warping, no lumps on the top of the cast.
The trade-off is that the mold’s 4.2-star average reflects some users reporting side bowing and flimsy feel. In my testing, success came down to pouring in thin layers (not a single deep fill) and leaving the mold on a flat surface for the full cure. If you’re patient about layer technique, you’ll get a great tray.
Why large molds need layered pours
Resin generates heat as it cures. In a small coaster, that heat dissipates. In a 15oz pour, the heat builds in the center of the mold, which can crack the resin, yellow the color, or warp the mold. Pouring in three 5oz layers over six hours gives each layer time to dissipate its heat before the next one goes in. The technique adds time but produces a stronger, clearer tray.
When to upgrade to a heavier-duty tray mold
If you make trays regularly, you’ll want a mold with thicker walls and a sturdier support structure than this entry-level option. Premium tray molds from brands like Jeff Mack Supply come with lifetime guarantees and thicker silicone, but they run 4x to 6x the cost. The Vusnud is the right starting point; upgrade once you know tray-making is part of your regular output.
10. Patelai 28-Cavity Domino Silicone Mold – Best Specialty Mold
Patelai Domino Molds for Epoxy Resin Domino Resin Molds Silicone Mold
28-cavity domino mold
Silicone material
7.68x6.89x0.39 inches
Food-safe silicone,epoxy compatible
Pros
- 28 cavities let you pour a full domino set in one batch
- Crisp well-defined edges and dot patterns
- Thick food-safe silicone rated to 30
- 000 uses
- Dishwasher safe for easy cleanup
- Works with epoxy
- UV resin
- chocolate
- soap
- candles
- clay
- plaster
Cons
- Requires painting the dots manually for the classic domino look
- A few users received thinner or different molds than pictured
The Patelai domino mold is the most-reviewed product in this roundup – 5,461 reviewers give it 4.6 stars – and it’s also the most fun. You get a full set of 28 game-ready dominoes in a single pour. For crafters who love resin as a hobby but want to make something that’s also a usable game, this mold is unmatched.
The food-safe silicone is rated for 30,000 uses and a temperature range of -40 to 446 degrees F. That’s industrial-grade durability for a mold that costs under $6. I tested it with epoxy, UV resin, and even chocolate, and every material released cleanly. The dots are recessed into the cavity, so all you have to do is fill them with a contrasting color after demolding.
The dominoes come out crisp and uniform. The edges are sharp, the dots are well-defined, and the size matches standard game dominoes. I painted half the set black and half white with acrylic paint, sealed with a thin resin coat, and ended up with a game that looks handmade but plays like a store-bought set.
The honest limitation is that the dots need to be painted on after demolding – they don’t come out as colored pips. That’s an extra step, but it also gives you total design control (you can do gold dots on white, glow-in-the-dark on neon, or any color combination you want).
Beyond resin: chocolate and soap uses
The food-safe silicone and 446°F temperature rating mean this mold works for chocolate, fondant, and hard candy. For crafters who split time between resin and kitchen crafts, that’s a real bonus. The same mold that produces domino coasters can produce chocolate dominoes for a themed party or soap dominoes for a bathroom set.
Painting technique for the dots
Use a fine-tip brush (size 0 or 00) and acrylic paint thinned with a drop of water. Touch the brush to each recessed dot rather than dragging across the surface. Once the paint dries (about 30 minutes), seal with a thin coat of clear resin or a spray sealant to protect the paint from wear. The whole painting process takes about 20 minutes for a full 28-piece set.
What to Look For in a Quality Silicone Resin Mold
A high-quality silicone mold shares five traits, and learning to spot them saves you from wasting resin on a mold that will tear after ten pours. Here’s what I check before any mold goes on my craft table.
Material: platinum-cure vs peroxide-cure silicone
Platinum-cure silicone is the gold standard for resin molds. It’s more flexible, more durable, and less likely to yellow over time than peroxide-cure (also called tin-cure) silicone. Most premium resin molds use platinum-cure, and the difference shows up in the flex – platinum-cure feels springy, peroxide-cure feels plasticky. If a mold’s product listing doesn’t specify, ask the seller.
Wall thickness and flexibility
Thin walls tear faster. Molds under 2mm thick typically last 20-50 pours; molds with 3mm+ walls can last 100-200 pours with proper care. You can test flexibility by gently squeezing the mold – it should flex without cracking or showing white stress marks. White stress marks mean the silicone is over-stretched and will tear soon.
Surface finish inside the cavity
Glossy cavity interiors produce glossy casts. Matte cavity interiors produce matte casts. For coasters, jewelry, and trays, glossy is what you want – it gives a professional, ready-to-gift finish. For figurines and decorative pieces, you can go either way depending on whether you want a polished or natural look.
Cavity count vs project type
Single-cavity molds work for large or complex pieces (jars, large trays, 3D figurines). Multi-cavity molds work for small batchable items (coasters, earrings, keychains). Match the cavity count to your production volume: 1-4 cavities for slow, careful pieces; 6-16 cavities for batchable inventory; 20+ cavities for high-volume keychains or charms.
Food-safe vs industrial-grade
Food-safe silicone is certified safe for contact with food. Industrial-grade silicone is not. If you’re making coasters, trays, or jars that will touch food, look for “food-safe” or “FDA-approved” on the listing. For purely decorative pieces (figurines, paperweights, bookends), industrial-grade is fine and usually cheaper.
Resin Compatibility: Epoxy vs UV vs Polyester
Not every mold works with every resin type, and using the wrong combination can mean sticky casts, yellowing, or shortened mold life. Here’s how the three main resin types interact with silicone molds.
Epoxy resin
Epoxy is the most common resin for crafters. It’s a two-part system (resin plus hardener) that cures at room temperature over 24 hours. It works in every silicone mold on this list. Standard tabletop epoxy is best for thin pours (under 0.5 inch); deep-pour epoxy is formulated for thicker fills (0.5 to 2 inches) and generates less heat during cure.
UV resin
UV resin is a single-part liquid that cures in 2-5 minutes under a UV lamp. It’s best for thin pieces (jewelry, keychains, small charms) and clear coatings. UV resin works in most silicone molds, but avoid heat tools – the silicone can scorch. UV resin’s fast cure time is ideal for production workflows where you want to make 10-20 pieces in an afternoon.
Polyester resin
Polyester resin is a two-part system that cures faster than epoxy but releases strong styrene fumes during cure. It works in silicone molds but requires excellent ventilation and is less common for hobby use. Most crafters stick with epoxy unless they have a specific reason to choose polyester.
Tier Breakdown: Budget, Mid-Range, and Premium Molds
Across the 10 molds we tested, prices ranged from around $5 to $15. Here’s how to think about where your money goes at each tier.
Budget tier (under $10)
The Patelai domino mold (#10) and the ResinWorld skull molds (#6) both fall in the budget tier. Budget molds are perfect for beginners, kids’ projects, and one-off experiments. They typically last 30-80 pours, which is plenty for someone still learning. The trade-off is that walls are thinner and detail capture is slightly less sharp.
Mid-range tier ($10-$15)
The LET’S RESIN coaster set (#3), Loyohep earring pack (#2), and LET’S RESIN keychain mold (#8) all sit in the mid-range. Mid-range molds balance cost and quality, with thicker walls, better detail, and longer lifespans (50-150 pours). For most hobbyists, mid-range is the sweet spot.
Premium tier ($15 and up)
The LET’S RESIN pudding jar (#1), LET’S RESIN geode coaster (#4), and Juome jar (#5) are the premium options in this roundup. Premium molds use platinum-cure silicone, have thicker walls, and often come with multi-year guarantees. They’re worth the investment for serious crafters and small-business owners who pour daily.
Where to Buy Resin Molds
You can buy resin molds from four main sources, each with pros and cons. Our team buys from all four depending on the project.
Amazon
Amazon is the fastest and cheapest option for most crafters. The trade-off is quality variance – the same mold listed by two different sellers can be very different silicone. Stick to listings with 1,000+ reviews and 4.5+ star averages.
Etsy
Etsy is the best source for unique and custom molds, especially for figurines, holiday shapes, and small-batch designs from independent makers. Prices run higher than Amazon, but the designs are often one-of-a-kind. Shipping is usually 5-10 days. For crafters who want distinctive pieces, Etsy is unmatched.
Brand sites (Let’s Resin, Art N’ Glow, Jeff Mack Supply)
Buying direct from brand sites gives you access to the full product line, multi-year guarantees, and customer service that Amazon sellers can’t match. Jeff Mack Supply, for example, offers lifetime guarantees on their molds. The trade-off is higher prices and slower shipping than Amazon.
Michaels and Hobby Lobby
Local craft stores like Michaels and Hobby Lobby carry resin molds in their jewelry-making and candle-making sections. The selection is smaller than online, but you can see the mold in person before buying. Look for sales and coupons – both stores run 40-50% off weekly.
How to Clean, Store, and Extend Mold Lifespan
A well-cared-for mold lasts 100+ pours. A neglected mold tears in 20. Here’s the routine I follow for every mold on my craft table.
Cleaning after each pour
Let the mold cure fully (24 hours for epoxy, 2 minutes for UV resin). Demold by gently flexing the silicone away from the cast piece – never use metal tools, which can puncture the mold. Wash with warm water and dish soap, rinse thoroughly, and air dry on a flat surface. Avoid paper towels, which can leave fibers in the cavity.
Removing sticky residue
If resin sticks despite a proper release, soak the mold in hot water for 10 minutes, then scrub gently with a soft toothbrush. For stubborn residue, a tiny drop of rubbing alcohol on a cotton pad works without damaging the silicone. Never use acetone or harsh solvents, which will swell and destroy the silicone.
Storage between uses
Store molds flat or gently rolled, never folded. Folding creates permanent creases that show up in every future pour. Keep molds out of direct sunlight, which yellows and weakens silicone over time. A plastic bin with separate compartments for each mold works well for crafters with more than 5-6 molds.
When to replace a mold
Replace a mold when you see white stress marks on flex, permanent deformation after demold, surface tackiness that doesn’t wash off, or visible tears. Most quality molds give 50+ clear warning pours before failing – keep a backup of your favorite mold so you’re not stuck mid-project.
Frequently Asked Questions
Where can I find high-quality resin molds?
The best source for high-quality resin molds depends on your priority. Amazon offers the fastest shipping and lowest prices for well-reviewed brands like LET’S RESIN, ResinWorld, and Loyohep. Etsy is best for unique and custom designs from independent makers. Brand websites like Jeff Mack Supply offer lifetime guarantees. Look for platinum-cure silicone, 1,000+ reviews, and 4.5+ star averages before buying.
What type of resin is best for crafts?
Epoxy resin is the best all-around choice for most resin crafts. It cures at room temperature over 24 hours, produces a glass-like finish, and works in every silicone mold. UV resin is better for small jewelry and keychains where fast 2-5 minute cure times matter. Polyester resin works for industrial projects but releases fumes that make it unsuitable for home crafters.
What are the best silicone molds for resin?
The best silicone molds for resin use platinum-cure silicone, have 3mm or thicker walls, and feature a glossy interior surface for polished casts. Multi-cavity molds work best for small batchable pieces like coasters and keychains. Single-cavity molds are better for large or 3D pieces like jars and figurines. Our top picks are the LET’S RESIN Pudding Jar mold for jars, the LET’S RESIN 18-piece coaster set for beginners, and the Patelai 28-cavity domino mold for specialty projects.
Is resin an expensive hobby?
Resin is a moderate-cost craft. A starter kit (resin, hardener, basic molds, pigments, cups, stir sticks) runs $30-$50 total. After the initial kit, ongoing costs are $10-$20 per month for hobbyists making 5-10 pieces weekly. Compared to woodworking or ceramics, resin is more accessible because the tools are minimal and the learning curve is short – most beginners produce gift-quality pieces within their first three pours.
What is the best type of resin for making coasters?
For thin coasters under 0.5 inch deep, standard tabletop epoxy works best. It cures in 24 hours, produces a glass-like finish, and is widely available. For deep coasters over 0.5 inch (geodes, embedded flowers, layered designs), use a deep-pour epoxy specifically formulated to release heat over a longer cure window. Standard epoxy in a deep pour will yellow, crack, or warp the mold. UV resin works for very thin coaster layers but is less common for full cast coasters.
Final Verdict: Which Resin Mold Should You Buy?
After testing all 10 molds across 50+ pours, my top recommendation is the LET’S RESIN Pudding Jar Silicone Mold as the best resin mold for crafters overall. It earned the EDITOR’S CHOICE spot because of its 4,034-review track record, 4.7-star rating, platinum-cure silicone that survives dozens of pours, and a working jar-and-lid design that doubles as decor or storage. For beginners, the LET’S RESIN 18-piece coaster set is the best value pick, and the Patelai 28-cavity domino mold is the most fun specialty option.
If you’re building a resin craft kit from scratch, start with the coaster set for breadth, add the pudding jar for a statement piece, and pick the domino mold for a unique gift or game. That three-mold foundation covers most projects a crafter wants to make in their first year, and all three are under $15 each.
For more craft setup ideas, check out our guides to knitting machines, vinyl cutting machines, and 3D printers under 500 dollars. The right mold plus the right companion tools is what turns a resin hobby into a craft you love for years.