Best Plastic Casting Molds in 2026

HIGH QUALITY MATERIAL: These resin silicone molds are made of durable silicone by advanced techniques.With the flexible, smooth and reusable epoxy molds,you can use, de-mold and clean them easily. There are nonstick silicone measuring cup and high quality plastic pipettes.

VARIOUS SHAPES: 5Pcs casting molds including Sphere, Cube, Pyramid, Square, Round to meet your various need . Equipped with 1 silicone measuring cup and 5 plastic pipettes to make your creation more convenient.

EASY TO RELEASE AND CLEAN: Keep the resin molds smooth and clean interior before use, so it’s easy to twist the silicone mold and pop out your finished resin items after it’s completely cured ; clean the epoxy molds with soap water and storage them away from direct sunshine and dust.

★ What You Get: 3PCS box silicone molds including heart box mold, hexagon epoxy mold and square jewelry box mold.

★ High Quality Jewelry Box Molds : These silicone molds for resin are made of high quality silicone by advanced techniques, flexible, smooth and reusable, easy to use, de-mold and clean.

★ Easy to fetch out: It’s easy to fetch out your finished item after it’s completely cured ; Demold the epoxy molds with soap water and storage them away from direct sunshine.

High-quality silicone, safety, high Flexible, full transparency, Super easy to de-mold

The mold is used to create square coaster, beverage coaster, bowl mat etc, Mold is reusable

There are not super soft, the bottom of the middle is not easy to bend

Jewelry Resin Molds Kit: Includes 1 Large Jewelry Silicone Mold (with 30 styles of varied sizes), 1 piece stainless steel tweezers, 10pcs mixing sticks, 20pcs finger cots. Ideal resin mold for making cabochon gem jewelry like earrings, pendants, necklaces, rings, bracelets, and keychains, decorative resin pieces.

30 Shapes for Option: The large silicone mold for resin, along with 30 styles small gem molds (0.2~1.57 inch), heart shaped, oval, round, droplet, and square shapes, with varied sizes, provide lots of possibilities for DIY jewelry making. Each shape is in double, 60 small resin molds in total, great for pairs of jewelry making.

Durable Resin Jewelry Mold: Made of 100% premium silicone, flexible, highly resistant to tearing, not easy to deform. Quality epoxy resin mold, compatible with most of crafting material, like epoxy resin, uv resin, acrylic paint, alcohol ink, polymer clay, wax, soap base etc, offer large room for DIY projects.

This Jewelry casting molds is ideal for DIY handiwork, Made of flexible reusable silicone, tear resistant and durable.

Simply pour the resin into the mold to make all kinds of exquisite gem jewelry, easy making and easy out, after your project is fully cured, it will be easy to pop out of the resin mold.

Fitting most jewelry and crafts of different colors,such as resin eyeball, earrings, pendant, necklace, gem, necklace pendant, crystal, jewels, keychain charm, earrings, crafting jewelry projects

PREMIUM MATERIAL SMORES MOLD: Webake square silicone mold is Made of food grade Silicone. Features nonstick and flexible makes it possible to get square shape when it is poped out from the bottom.

CORNBREAD PAN MOLD SIZE: 9.5 x 6.5 x 1 inch. Each cavity cube size: 2.5 x 2.5 x 1 inch.

TEMPERATURE RANGE: temperature handle from -40℉ to +446℉ (-40℃ to +230℃). Compatible with oven, freezer, microwave and dishwasher

Material: Made of high quality silicone, soft, durable, high transparency and easy to clean.

Enjoy DIY Ashtray:Resin casting is a fun project for all ages. simply pour epoxy resin into the molds, add some resin pigment, resin dye and embed different kinds of embellishments or fillers, wait for the cold process, it can turn out a gorgeous project.

Easy to De-mold: After the resin is completely cured, smooth interior makes it easy to de-mold. You can adding release spray or soapy water and then easily take it out, protect Ashtray mold.

Jewelry Resin Molds - You will get 1 x jewelry resin mold, size about 9"L x 8.9"W x 0.44"H. resin jewelry molds are with hanging hole design, you don't need to drill holes after finishing the product, great for necklace pendant or earring jewelries making.

38 Different Designs - The jewelry making mold have 38 different styles shapes, such as drop shaped, rectangular, triangle, round, square, Long column and more, jewelry mold of rich shapes to meet your different matching needs, if you want duplicate another earring or cabochon, you can buy 2 silicone molds at a time, use the same resin color in the second mold, It would save time.

Durable Jewelry Silicone Mold - The jewelry resin molds are made of durable silicone material, the interior of each silicone resin molds is smooth and shiny, The surfaces of resin pieces are super smooth and shiny, reduces the need to cut back and polish, easy to use and clean, flexible and easy to release, reusable.

RESIN MOLDS SILICONE KIT - You will get 12 epoxy resin molds including 1pcs sphere mold, 1pcs cube mold, 1pcs diamond mold, 1pcs pyramid mold, 1pcs round mold, 1pcs square mold and 6 pcs pendant silicone mold

THICK AND BIGGER RESIN MOLDS - These silicone resin molds made of high-quality material, smooth, thicker, sturdy and flexible, perfect for all the resin crafting needs

GOOD VARIETY OF SHAPES - 12Pcs silicone molds for resin including sphere, cube, pyramid, diamond square, round to meet your various resin crafting needs

Style: There are 5 styles of heart, teardrop, round, square and oval, with different colors can be used to match variety styles, the teardrop and oval pendant trays inner dimension are approx 25 x 18mm, the heart, round and square are 25 mm, the dimension of the glass dome tile and the inner dimension of pendant tray are same, they are match well with each other.

Meterial: The dome tiles is made of glass, the convex glass can enlarge the internal pattern, bright and clear, pendants bezel is made of durable metal alloy, with electroplating silver and bronze on the surface, they all are strong and hard

Package: There are 6pcs silver round pendant trays & 6pcs silver square pendant trays & 6pcs bronze heart pendant trays & 6pcs bronze teardrop pendant trays & 6pcs bronze oval pendant trays and 30pcs bright glass cabochon dome tiles, toatl 60pcs packed in a transparent plastic box, convenient to store and handle to use.

Made of flexible reusable silicone, tear resistant and durable, can be removed much easier as compared to plastic mold

10"*6.3"*0.6" in size, transparent so you can check the bottom when process project

29 different styles and sizes gemstone in heart, oval, teardrop circle, droplet, square and round shape

29 designs 58 case cabochons DIY silicone casting mold. Include shapes of circle, ellipse, heart, square domes, teardrop

Jewelry making kit for 3D gem, necklace pendant, crystal, jewels, keychain charm, multi shaped gemstone, earrings etc.

For clay, epoxy resin, uv resin, plaster crafting jewelry projects etc.

【✨201PCS RESIN JEWELRY MOLDS KIT】: 11Pcs earring molds for epoxy resin, 60pcs earring hooks(gold/silver), 60pcs earring jump rings(gold/silver), 70pcs earring backs. A wide variety of accessories can meet your creative needs perfectly!

【✨EASY TO USE】: The same cavity in a silicone mold offer you to make pairs of resin jewelry casting at the same time, time-saving! And resin molds silicone has holes designed without additional drill through.

【✨MULTIPLE SIZES & SHAPES】: 11Pcs classic shapes epoxy resin molds, such as circle, rectangle, square, triangle, oval, hexagon, diamond and so on. Each shape has 3 sizes that are perfect for making pendants and earrings.

【Transparent Cube Molds with Sharp Corners】: All surfaces inside the mold are smooth and shiny - no more sanding/polishing your finished piece!

【Premium CLEAR SILICONE Material】: These deep square cube molds are made from premium transparent silicone. Crystal clear silicone lets you see exactly what you're doing as you're working. The finished pieces are more shiny glossy than others made by HDPE white molds. Clear silicone molds are also more flexible, durable, not easy to be ripped.

【Wide Range of Application】: These cube epoxy casting molds can be used to make resin jewelry, resin keychain pendant, resin night light, paperweight, resin block, Christmas wedding table home decoration, soap Loaf candle DIY

【Various Shapes】You will receive 80pcs frame pendants in total (10 Styles, 4 Colors - silver, gold, antique brass and rose gold ). And perfect size to make earrings and necklaces

【Wide Usage】Suitable for making necklace, bracelet, earrings, scrapbooks project, key chain, key ring, sweater chain, anklet, or other custom craft projects. Do whatever you want

【Top Material】 These open bezel pendant backs are made of high quality alloy. Does not rust. No fading. No irritation to the skin. Hypoallergenic. Strong, durable, light and portable

Material: these molds are made of quality soft silicon which are translucent so that you can clearly view the inside of these molds, easier for you to operate

Multi-function design: these resin casting molds work as multi-functional tools which are convenient for making DIY projects, earring pendants, necklaces and beautiful jewelry pieces or just making some accessories for your handicrafts

Easy to use: the resin molds have smooth and soft surface, which allow you to put things and out easily, also have a long service life

The bite size square candy mold is made from 100% European grade silicone; stronger, more flexible and durable to maintain its original shape and non-stick quality through more uses.

Make rice krispie treats, ganache, fruit custard, chocolate truffles, snacks, granola, keto caramels, fudge, fat bombs, brownie, peanut butter cup, whiskey ice cube, Loaf, bread, flower jelly, gelatin art cakes, scented wax melts, lotion bars, soap, aromatherapy shower fizzers, bath bombs, petri resin jewelry, polymer clay and more.

Dimensions ( Approximate.) 21.6x14.7x2.7cm, 6 cells. Each cell 5x5x2.4cm, 65ml (13 tsp, 2.2oz ) per hole

Personalized design: Compared with general wooden shot glass serving tray, our shot glass holder resin mold is full of infinite possibilities. You can DIY the any style you like, and it will become more interesting.

Applicable occasion: shot glass serving tray mold perfect for parties, hotels, restaurants, bars, etc. It will make more fun and make the party atmosphere better. Or it will be unique gifts for your family and friend.

Multi-purpose: You can use this mold to make shot glass holder tray, beer tray, wine tray, teacup tray, mousse tray, candle holder, candlestick, tealight. You can add any elements you like, and make it more artistic.

💝【High Precision Epoxy Resin Earring Mold】- Our earring molds for epoxy resin are made of high-quality and durable food-grade silicon. Soft, wearable, flexible, high temperature resistance. Precise making and it has high transparency.

💝【Perfect Rich Shapes】- Our resin molds silicone come in 4 pieces molds in 4 styles, including earrings in different shapes, including drop shaped, round, square and more, rich shapes to meet your different matching needs. Detailed size as picture introduction.

💝【Easy To De-mold】- The smooth surface allows the casting material to be fully cured and easy to release. Just pour the molten resin into the mold and wait for it to cool, then you will get intact finished magic earrings, pendants or other resin jewelry molds with complete structure. No sticking and no tearing, no need extra cutting and edging, very friendly to beginners.

【DIMENSION】4.3” x 4.3” x 0.51" (10.8 x 10.8 x 1.3cm). One package includes 4 pcs of silicone coaster molds.

【FUNCTION】 This silicone coaster molds is perfect for DIY, you can use it for making high gloss decorative resin crafts such as hexagon coaster, candle holder,beverage coaster, bowl mat etc. You can make your unique creation.

【DURABLE】These coaster molds are made out of high flexible, sturdy and durable best clear silicone. There are super soft, which can prevent bottom bracket deformation. The middle bottom of the coaster mold is not easy to be bent. These features give it a long service life time.

Package includes 7 different styles jewelry storage box molds such as square shape, hexagonal shape, crown shape, heart shape, flower shape, circle shape etc. Also contains 10 pieces of wood sticks, 12 pieces colors of mica powders 2 piece of measuring cups and 5 pieces of plastic dropper.

These resin molds make your decoration more unique and personal. You can use these resin casting molds to make your own unique jewelry box and lipsticks holder organize which ideal for trinket container，creating jewelry storage plate, trinket tray, rolling tray, coaster, soap dish, ash tray and candle holder.

How to use: Pour the dropping glue into the cup and then into the mold. Dropping gum into the mold to be flat, and then cover the mold with a shield to avoid dust falling into. Wait for the dripping glue to be completely dry, then take out the articles, and polish the parts that need to be polished until smooth. Note: The maximum temperature of the molds can with stand is 220℃ (428℉).

Clear gem cabachon molds form 0.2 to 1.6inch, 176 cavities 38 designs. Clear mold allows you to better observe the manufacturing process.

Jewelry making kit for 3D gem, necklace pendant, crystal, jewels, keychain charm, multi shaped gemstone, earrings etc.

Use with modelling clay (air clay, paper clay, resin clay, polyclay, polymer clay, salt clay, metal clay, liquid clay etc.), resin(epoxy resin, rethane resin, uv resin, polyester resin), concrete, cement, gypsum, plaster, hot glue, soap, candle, wax, mix media and more. Can also be used with food material such as ice, gum paste, jelly, marzipan, fondant, sugarpaste, melted candy & chocolate etc.

Flexible soft tiny silicone jewelry pendant making mold

4 different shapes: square, triangle, diamond, cat head

Easy to use and clean

Material: Silicone. Silicone Is Flexible, Resistant To Tearing, Durable In Use, Easy To Use And Clean

This mold is used to make Plant pot, Flower pots, DIY Flower Pot Molds, planter pot mold or some other decorations. it's reusable

You can also put small objects into the transparent resin, like a dry flower, sea shell, small stone, etc

⭐DESIGN AND SIZE: 5 styles Pendant Trays of heart, teardrop, round, square and oval, with different colors can be used to match variety styles, the teardrop and oval pendant trays inner dimension are approx 25 x 18mm, the heart, round and square are 25 mm, and 1 Pcs Silicone Resin Jewelry Casting Silicone Molds, which contains with 5 right size and many other different shapes, such as different square, rectangular, round to meet your different needs on jewerly making

⭐QUALITY MATERIAL: Key Pendant Tray is made of durable metal alloy, with electroplating silver and bronze on the surface, they all are strong and hard. Resin Casting Silicone Mold made with High-quality silicone,which is flexible and can provide a long service

⭐WIDELY USED: Suitable for many DIY handworks, such as earrings, necklace, jewelry pendant and so on, then you can send them to your families or your friends or enjoy making them with your friends

VALUE PACK: There are 4 sizes(up grade big size by Sakolla) for different usages and needs, inner size:2.36inch, 1.96inch, 1.37inch, 1inch, you can choose series of molds with cube shapes and different sizes.

Big Size Reauable and Durable: Cube resin molds are made up of pure silicone they are thick , pliable, and reusable. With excellent elasticity, superior high tear strength, etc.Tips:The biggest cube resin mold out size is about 2.6inch,and inner size is about 2.36 inch,please make sure the size is that you want.

PERFECT GIFT: Perfect for making different shapes decorative resin crafts such as resin souvenir, keychains, candle, birthday gift, xmas ornaments etc.

🍸【DIY Shot Flight Tray Mold Kit】The package includes 1x square shot glass tray mold (5.3’’x7.7’’x0.63), 1x round shot glass tray mold (5.7’’x7.7’’x0.63), and one pack of silver color extra fine glitter. Beautiful trays finished can elevate the ambiance of your next party or a casual get-together, offering a stunning presentation and a convenient way to serve spirits to larger groups. The mold can also be used for DIY projects such as candy trays, jewelry dishes, decorative trays and more.

🍷【Create Special Decorations】With this mold set, you can create your very own works by using your imagination and creativity. Add in embellishments to make your artwork even more unique. Compatible with modelling clay (air-dry clay, paper clay, resin clay, polymer clay, salt clay, metal clay, liquid clay, etc.), resin (epoxy resin, urethane resin, UV resin, polyester resin, etc.), concrete, gypsum, plaster, hot glue, soap, candle, wax, mixed media and more.

🍹【Easy to Use】The durable molds will not break or deform easily. Ultra-smooth interior surface makes it very easy to unmold to save you the time of polishing. No releasing agent is needed. Clean silicone molds with rubbing alcohol or wash with soapy water after each use. Do not wash with abrasive pads. Dry thoroughly and store in a cool, dry environment away from direct sunlight and heat. Don’t use mold for baking if it has been in contact with chemicals.

Various Shapes to Choose: the package contains 1 piece of square silicone mold, comes with wooden supports, 1 piece of hexagon silicone mold, 1 piece of heart silicone mold, 3 pieces of round silicone molds with holes, and 3 pieces of round silicone molds with handles, providing you with diverse sizes and shapes, to meet your various arts making demands

Multiple Sizes for You: the square resin mold measures approx. 14.8 x 14.8 x 4.9 cm/ 5.83 x 5.83 x 1.93 inches, the hexagon resin mold measures approx. 25.8 x 25.8 x 5.2 cm/ 10.15 x 10.15 x 2.04 inches, and the resin mold measures approx. 17.9 x 18.2 x 4.5 cm/ 7.04 x 7.16 x 1.77 inches; These round resin molds are designed in 3 diameter sizes of approx. 20 mm/ 0.79 inch, 25 mm/ 0.98 inch and 30 mm/ 1.19 inches

Reliable and Serviceable: our resin epoxy molds are made of quality silicone material, with smooth surfaces and exquisite workmanship, soft and elastic to use, easy to clean and demold, hard to tear or break, and can be applied repeatedly, serving you for a long time

Moulds of different shapes: this set of pendant moulds has 15 different shapes, such as round, rectangle, oval, triangular, square, teardrop, cylinder and so on, meeting your various needs

Eye screw dimension: this set of eye screws is approx. 10 mm in total length and the hoop part is 4 mm in diameter, common size for general using

Easy for using: when you release the item out of the mold, just twist the mold, the piece can be easily push out, after using, easy to wash and clean with soap and water, and please put them away from dust after washing

MATERIAL : Resin molds for jewelry made of silicone, flexible, durable and reusable, easy to use.

Size: 19 x 21 x 1.2cm/ 7.5x 8.3 x 0.5 inch

DESIGN : The silicone resin mold has many different shapes, such as square, rectangular, round, etc. They can meet your needs.