--- title: "resin letter molds — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/arts-crafts-sewing/resin-letter-molds" last_updated: "2026-07-09T23:02:55.319Z" locale: en meta: description: "a small market ($31K/yr) — resin letter molds doesn't clear our bar today." "og:description": "a small market ($31K/yr) — resin letter molds doesn't clear our bar today." "og:title": "resin letter molds — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen" --- Back to Flapen home # **resin letter molds** **Skip it****49/100 ** a small market ($31K/yr) — resin letter molds doesn't clear our bar today. **Market/yr** **$31K** **Growth (1y)** **+177.0%** **Products** **39** **Brands** **28** was 30 a year ago **Sellers** **35** **Price range** **$5.35–$29.25** **Returns** **2.1%** **Rating** **4.5★** **Skip it** Scored 49/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **2** ×0.30 Growth **74** ×0.30 Competition **70** ×0.20 Quality gap **37** ×0.10 Returns **83** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +177.0% year over year. 3K1KSpike '25Spike '26Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.3× ## **Competition** - Actvty13% - Chinshwehaw12% - Gartful11% - Nupinta10% - Mocoosy9% - LET'S RESIN7% - Other (22 brands)39% The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them. 28 brands and 35 sellers compete here. **Brands** **28 **▼falling was 30 a year ago **Sellers** **35** **Top 5 brand share** **54%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Silicone Letter Molds for Resin Casting - Alphabet Number Jewelry Making Premium Flexible Reusable DIY Craft Molds for Beginners Teenager Adults Epoxy Mold for Keychains Charms DIY Gifts (A-Z 0-9)](https://m.media-amazon.com/images/I/51XCOI2UOhL.jpg) [**Silicone Letter Molds for Resin Casting - Alphabet Number Jewelry Making Premium Flexible Reusable DIY Craft Molds for Beginners Teenager Adults Epoxy Mold for Keychains Charms DIY Gifts (A-Z 0-9)**](https://www.amazon.com/dp/B0F7HLQ8MK) Chinshwehaw$6.434.6★9512%▲rising 2 ![Nupinta 244Pcs Alphabet Silicone Resin Casting Molds Kit Reversed Letters & Numbers Epoxy Casting Molds with Pin Vise Set for DIY Making Keychain/House Number Resin Crafts](https://m.media-amazon.com/images/I/61pbpGu84VL.jpg) [**Nupinta 244Pcs Alphabet Silicone Resin Casting Molds Kit Reversed Letters & Numbers Epoxy Casting Molds with Pin Vise Set for DIY Making Keychain/House Number Resin Crafts**](https://www.amazon.com/dp/B08TBV2W5L) Nupinta$9.984.6★81810%▼falling 3 ![Gartful 7 Inch Large Letter Molds for Resin 3D A Capital Alphabet Epoxy Resin Mold A to Z Thick Resin Letter Molds for Making Letters Word Sign Art DIY Crafts Making Cake Party Home Decor](https://m.media-amazon.com/images/I/41Ma9LwEYOL.jpg) [**Gartful 7 Inch Large Letter Molds for Resin 3D A Capital Alphabet Epoxy Resin Mold A to Z Thick Resin Letter Molds for Making Letters Word Sign Art DIY Crafts Making Cake Party Home Decor**](https://www.amazon.com/dp/B09LCC5HVT) Gartful$10.064.6★1,0678%▼falling 4 ![Actvty Mini Alphabet Resin Molds - 3Pcs Letter Molds for Epoxy Casting Small Number Alphabet Silicone Mold for DIY Earring Necklace Pendant Jewelry Resin Crafts Decor](https://m.media-amazon.com/images/I/51goY2L9qQL.jpg) [**Actvty Mini Alphabet Resin Molds - 3Pcs Letter Molds for Epoxy Casting Small Number Alphabet Silicone Mold for DIY Earring Necklace Pendant Jewelry Resin Crafts Decor**](https://www.amazon.com/dp/B0CYLL4R2P) Actvty$7.144.7★1,6857%▲rising 5 ![Mocoosy 134Pcs Alphabet Keychain Resin Molds Kit Reversed Letter Number Silicone Mold Epoxy Resin Casting Molds Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pin](https://m.media-amazon.com/images/I/51Piwfed1DL.jpg) [**Mocoosy 134Pcs Alphabet Keychain Resin Molds Kit Reversed Letter Number Silicone Mold Epoxy Resin Casting Molds Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pin**](https://www.amazon.com/dp/B089CTGLD2) Mocoosy$16.924.6★7,5505%▲rising 6 ![IGaiety Letter Molds Backward Alphabet Mold Starter Kit 206 pcs Silicone Number Molds Epoxy Resin Mold with Accessories for Resin Beginner Jewelry Keychain Craft Making Casting Large Set](https://m.media-amazon.com/images/I/61fGyvr9EFS.jpg) [**IGaiety Letter Molds Backward Alphabet Mold Starter Kit 206 pcs Silicone Number Molds Epoxy Resin Mold with Accessories for Resin Beginner Jewelry Keychain Craft Making Casting Large Set**](https://www.amazon.com/dp/B09257ZP1M) IGaiety$23.424.6★3,5285%▲rising 7 ![YITIAOXIAOYU Silicone Alphabet Resin molds Digital Alphabet Jewelry Silicone Resin molds Chocolate Alphabet molds for DIY Craft Casting.](https://m.media-amazon.com/images/I/51yLpiTPQ-L.jpg) [**YITIAOXIAOYU Silicone Alphabet Resin molds Digital Alphabet Jewelry Silicone Resin molds Chocolate Alphabet molds for DIY Craft Casting.**](https://www.amazon.com/dp/B0B4MVRJDQ) YITIAOXIAOYU$6.874.6★2234%▼falling 8 ![Mocoosy 182Pcs Fancy Alphabet Resin Molds Silicone Kit Reversed Letter Keychain Epoxy Resin Casting Molds Resin Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pins](https://m.media-amazon.com/images/I/61k-wNg9CFL.jpg) [**Mocoosy 182Pcs Fancy Alphabet Resin Molds Silicone Kit Reversed Letter Keychain Epoxy Resin Casting Molds Resin Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pins**](https://www.amazon.com/dp/B09C5Y8M1T) Mocoosy$17.054.6★7,5504%▼falling 9 ![LETS RESIN Large Alphabet Mold with Hole Reversed Alphabet Letter Resin Molds Silicone with 30 Jump Rings 30 Key Rings Epoxy Molds for Keychain Making(15.3X8.9)](https://m.media-amazon.com/images/I/51k0V1XsAdL.jpg) [**LETS RESIN Large Alphabet Mold with Hole Reversed Alphabet Letter Resin Molds Silicone with 30 Jump Rings 30 Key Rings Epoxy Molds for Keychain Making(15.3X8.9)**](https://www.amazon.com/dp/B0B2W3KKRT) LET'S RESIN$12.264.8★2,3163%▼falling 10 ![300Pcs Letter Nail Art Charms Random Candy Color Letter Resin Nail Rhinestones Kawaii Mini Flatback Alphabet Nail Gems with Aurora Glitter Design Nail Art Accessories for DIY Craft Nail Supplies](https://m.media-amazon.com/images/I/51yr71ptHOL.jpg) [**300Pcs Letter Nail Art Charms Random Candy Color Letter Resin Nail Rhinestones Kawaii Mini Flatback Alphabet Nail Gems with Aurora Glitter Design Nail Art Accessories for DIY Craft Nail Supplies**](https://www.amazon.com/dp/B0FLYP89GL) Quezadyl$6.404.4★1313%▲rising 11 ![Actvty Alphabet Resin Mold Reversed Alphabet Silicone Molds with Holes for Epoxy Letter Molds for Resin DIY Keychain Jewelry Pendant](https://m.media-amazon.com/images/I/61mlCTFHmQL.jpg) [**Actvty Alphabet Resin Mold Reversed Alphabet Silicone Molds with Holes for Epoxy Letter Molds for Resin DIY Keychain Jewelry Pendant**](https://www.amazon.com/dp/B0C854W5WY) Actvty$7.944.7★1,6863%▲rising 12 ![Actvty Alphabet Keychain Molds with Hole Reversed Alphabet Silicone Molds for Epoxy Letter Resin Molds for Keychain Jewelry Pendant Making](https://m.media-amazon.com/images/I/611MFeLdWdL.jpg) [**Actvty Alphabet Keychain Molds with Hole Reversed Alphabet Silicone Molds for Epoxy Letter Resin Molds for Keychain Jewelry Pendant Making**](https://www.amazon.com/dp/B0C3VF9S2B) Actvty$12.504.7★1,6863%—flat 13 ![LETS RESIN Keychain Resin Molds Silicone with Hole 27 Cavities Flower Alphabet UV Resin Jewelry Pendant Molds kit for Beginner Letter Epoxy Resin Molds for Keychain Pendant Jewelry Making](https://m.media-amazon.com/images/I/51talLFU2TL.jpg) [**LETS RESIN Keychain Resin Molds Silicone with Hole 27 Cavities Flower Alphabet UV Resin Jewelry Pendant Molds kit for Beginner Letter Epoxy Resin Molds for Keychain Pendant Jewelry Making**](https://www.amazon.com/dp/B0G5224ML3) LET'S RESIN$18.214.7★773%▲rising 14 ![ZQYSING Alphabet Molds Large Reversed Letter Number Alphabet Silicone Molds with Hole for Epoxy Resin Casting Keychain Jewelry Pendant Gift Making](https://m.media-amazon.com/images/I/51l1rmB842L.jpg) [**ZQYSING Alphabet Molds Large Reversed Letter Number Alphabet Silicone Molds with Hole for Epoxy Resin Casting Keychain Jewelry Pendant Gift Making**](https://www.amazon.com/dp/B0CQSYFYFV) ZQYSING$9.764.7★8182%▼falling 15 ![2.5 Inch 26 Pack English Alphabet Letter Mold - Silicone Mold for Resin Casting - Capital Letter Mold](https://m.media-amazon.com/images/I/41u-9luGC9L.jpg) [**2.5 Inch 26 Pack English Alphabet Letter Mold - Silicone Mold for Resin Casting - Capital Letter Mold**](https://www.amazon.com/dp/B091J76597) ESEENS$29.254.6★3482%—flat **~~Showing 15 of 39 — show all ~~** ## **Product shelf** All 39 tracked products in this niche. Top sellersNewestTrending [![Silicone Letter Molds for Resin Casting - Alphabet Number Jewelry Making Premium Flexible Reusable DIY Craft Molds for Beginners Teenager Adults Epoxy Mold for Keychains Charms DIY Gifts (A-Z 0-9)](https://m.media-amazon.com/images/I/51XCOI2UOhL.jpg)**Silicone Letter Molds for Resin Casting - Alphabet Number Jewelry Making Premium Flexible Reusable DIY Craft Molds for Beginners Teenager Adults Epoxy Mold for Keychains Charms DIY Gifts (A-Z 0-9)** Chinshwehaw**$6.43**4.6★95 reviews](https://www.amazon.com/dp/B0F7HLQ8MK) [![Nupinta 244Pcs Alphabet Silicone Resin Casting Molds Kit Reversed Letters & Numbers Epoxy Casting Molds with Pin Vise Set for DIY Making Keychain/House Number Resin Crafts](https://m.media-amazon.com/images/I/61pbpGu84VL.jpg)**Nupinta 244Pcs Alphabet Silicone Resin Casting Molds Kit Reversed Letters & Numbers Epoxy Casting Molds with Pin Vise Set for DIY Making Keychain/House Number Resin Crafts** Nupinta**$9.98**4.6★818 reviews](https://www.amazon.com/dp/B08TBV2W5L) [![Gartful 7 Inch Large Letter Molds for Resin 3D A Capital Alphabet Epoxy Resin Mold A to Z Thick Resin Letter Molds for Making Letters Word Sign Art DIY Crafts Making Cake Party Home Decor](https://m.media-amazon.com/images/I/41Ma9LwEYOL.jpg)**Gartful 7 Inch Large Letter Molds for Resin 3D A Capital Alphabet Epoxy Resin Mold A to Z Thick Resin Letter Molds for Making Letters Word Sign Art DIY Crafts Making Cake Party Home Decor** Gartful**$10.06**4.6★1,067 reviews](https://www.amazon.com/dp/B09LCC5HVT) [![Actvty Mini Alphabet Resin Molds - 3Pcs Letter Molds for Epoxy Casting Small Number Alphabet Silicone Mold for DIY Earring Necklace Pendant Jewelry Resin Crafts Decor](https://m.media-amazon.com/images/I/51goY2L9qQL.jpg)**Actvty Mini Alphabet Resin Molds - 3Pcs Letter Molds for Epoxy Casting Small Number Alphabet Silicone Mold for DIY Earring Necklace Pendant Jewelry Resin Crafts Decor** Actvty**$7.14**4.7★1,685 reviews](https://www.amazon.com/dp/B0CYLL4R2P) [![Mocoosy 134Pcs Alphabet Keychain Resin Molds Kit Reversed Letter Number Silicone Mold Epoxy Resin Casting Molds Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pin](https://m.media-amazon.com/images/I/51Piwfed1DL.jpg)**Mocoosy 134Pcs Alphabet Keychain Resin Molds Kit Reversed Letter Number Silicone Mold Epoxy Resin Casting Molds Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pin** Mocoosy**$16.92**4.6★7,550 reviews](https://www.amazon.com/dp/B089CTGLD2) [![IGaiety Letter Molds Backward Alphabet Mold Starter Kit 206 pcs Silicone Number Molds Epoxy Resin Mold with Accessories for Resin Beginner Jewelry Keychain Craft Making Casting Large Set](https://m.media-amazon.com/images/I/61fGyvr9EFS.jpg)**IGaiety Letter Molds Backward Alphabet Mold Starter Kit 206 pcs Silicone Number Molds Epoxy Resin Mold with Accessories for Resin Beginner Jewelry Keychain Craft Making Casting Large Set** IGaiety**$23.42**4.6★3,528 reviews](https://www.amazon.com/dp/B09257ZP1M) [![YITIAOXIAOYU Silicone Alphabet Resin molds Digital Alphabet Jewelry Silicone Resin molds Chocolate Alphabet molds for DIY Craft Casting.](https://m.media-amazon.com/images/I/51yLpiTPQ-L.jpg)**YITIAOXIAOYU Silicone Alphabet Resin molds Digital Alphabet Jewelry Silicone Resin molds Chocolate Alphabet molds for DIY Craft Casting.** YITIAOXIAOYU**$6.87**4.6★223 reviews](https://www.amazon.com/dp/B0B4MVRJDQ) [![Mocoosy 182Pcs Fancy Alphabet Resin Molds Silicone Kit Reversed Letter Keychain Epoxy Resin Casting Molds Resin Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pins](https://m.media-amazon.com/images/I/61k-wNg9CFL.jpg)**Mocoosy 182Pcs Fancy Alphabet Resin Molds Silicone Kit Reversed Letter Keychain Epoxy Resin Casting Molds Resin Key Chain Making Set with 1 Hand Drill 2 Drill Bits 30 Key Rings 100 Screw Pins** Mocoosy**$17.05**4.6★7,550 reviews](https://www.amazon.com/dp/B09C5Y8M1T) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**24% *“Amazing quality”* **Size-Overall**11% *“Perfect size”* **Ease Of Use**10% *“Easy to Use”* **Value For Money**8% *“it worth the money”* **Color**7% *“The colors are good”* **Advertised Vs Actual Product**7% *“As described”* **Material Quality**7% *“Materiels are in good quality too”* **Design-Overall**3% *“The design is cute”* **Fun/Entertainment Experience**3% *“Fun for beginners”* **Durability**2% *“cute very durable”* ### **What buyers complain about ** **Size-Overall**39% *“Big”* **Durability**8% *“broke about 1/8 of them just trying to de-mold them”* **Advertised Vs Actual Product**7% *“Complete false advertisement”* **Color**6% *“a takes a lot of time to get a good three color look”* **Thickness**3% *“Very thick silicone”* **Display-Overall**2% *“it is not displayed that way”* **Recycle/Reuse**2% *“Epoxy sticks making it not able to be reused”* **Ease Of Cleaning**2% *“But my A was dirty”* **Jamming/Clogging**2% *“when I tried to demold it was stuck”* **Ease Of Use**2% *“its kind of hard to use because they are so small”* #### **Top return reasons**- Size-Overall69% - Advertised Vs Actual Product8% - Value For Money5% - Defective Material/Parts3% - Quality-Overall2% - Functionality-Overall2% - Adhesion/Stickiness2% - Material Quality1% - Product Condition1% - Durability1%