Best Plastic Casting Molds in 2026

Awesome Craft Mats: About 15.7 x 11.7 inches ( Please Double Check the Measurement Before Purchasing!!), large enough to catch most mess. Available in two colors, blue & rose red. Simple but all-match, good looking. Soft and flexible silicone art mats, long-lasting.

Premium Silicone Crafting Mat: High quality silicone mat, non-stick, non-skid, heat-resistant, long-lasting. Epoxy, resin, glue, paint, clay etc can be peeled off easily after solidify, great tool for resin accessories and other DIY arts and crafts.

Versatile Art Mats for Table: Collect spilled resin, glue, paint, water, oil etc, and your casting tools like mixing sticks, transfer pipettes, and tweezers. And protect your desk against water, resin, glue, scratches, heat, grease and so on.

Silicone Mat: Made of High Quality Silicone, Non-Skid, Heat-Resistant, Durable and Stable, not Easy to Deform or Tear Up. Table Protector, Great Assistant Tool for DIY Craft.

A3 Size and Colors: Package include 3 Large Silicone Sheets, 15.7” x 11.8”(30cm x 40cm), large enough to catch most mess, Bright Colors(Blue & Rose Red & Green) Add Vitality to Your Life and Keep a Good Mood.

Easy to Clean & Store: The Silicone Sheets are Washable, Flexible, Clean with Cloth and Warm Soapy Water Wipe. Flexible and Lightweight, Easy to Fold or Roll Up, Takes up Minimal Space, Convenient to Store and Carry on.

Large Size & Bright Color: Extra large silicone mat for jewelry casting molds, close to A2 size, 59 cm x 39.5 cm/23.22” x 15.55”, suitable for messy craft project, well protect your table. Bright sky blue, bring vitality, arouse creativity, add more fun.

Nonstick & Easy to Clean: Most material won’t deeply stick to the table mat, and can be removed easily, glue, resin, epoxy can be easily peeled off when dry, and glitter, powder also can be easily rinsed off with water.

Nonslip: One side is matte, the other side is glossy, both sides can be used, always lay flat without wrinkles and curling up, and have strong friction, well anti-slip, also effectively prevent the things on it from sliding.

3 Pack & Bright Colors: 3 pack silicone craft sheets ( 15.7” x 11.7”), satisfy your different demands, and make it possible to do messy craft projects in separate work areas. In 3 assorted colors--blue, yellow, green, eye-catching, bring pleasant feeling and help you see your pieces easily.

Nonstick & Nonslip: Made of premium silicone, tear-resistant, durable, with nice soft feel; and heat-resistant, nonstick, glue, resin, epoxy won’t stick to it; smooth surface, has strong friction, won’t slip, lay flat without curling up, and well stop things to move around on it.

Perfect Table Protector: Protect your craft table from dripping and spilling of epoxy, resin, glue, water, oil, pigment, paint, etc., help catch glitter, sequins, bead, paper scrap, collect tweezers, and other craft tools, separate heated items from wood table, keep your craft table clean, neat, safe.

【MIX RATIO 1A:1B BY VOLUME】no scale necessary, this silicone mold making kit comes with 2 bottles, 42 Oz kit, part A 121 Oz, part B 21 Oz, very easy to use, also the bottle come with tinfoil sealed inside the cap, double guarantee for no leaking;

【LOW VISCOSITY FOR EASY MIXING & POURING】this BBDINO 30A mold making silicone rubber has low viscosity so that you can easily mix and pour the silicone material, no degassing needed, the molds finished with BBDINo Silicone Rubber Mold Making 30A has great flexibility & Strength. very easy to demold, this silicone mold making kit is Great for making simple one- or two-piece block molds, no vacuum degassing is necessary

【POT LIFE: 30 MINUTES, CURE TIME: 3-4 HOURS AT ROOM TEMPERTUARE 25℃(73.4℉)】This liquid RTV-2 mold making silicone rubber cures at room temperature with negligible shrinkage, heat cure will shorten the cure time.

Package include: package comes with 1 piece of 3D domino mold; You can DIY a one and only gift for your friends and family as Christmas, birthday and new year gifts; A nice recreation for you to kill the time and relax yourself

Reliable material: silicone mold is made of quality silicone material, durable, harmless and odorless; With nice heat resistance, it withstand temperature from -40 to 446 degrees Fahrenheit/ -40 to 230 degrees Celsius; The surface of the mould is smooth, which can help the object to disengage from the mold quickly and ensure the integrity of its shapes

Easy to use and clean: put the filling into a mold and put it into the oven or refrigerator to shape it; Then take domino mold out after a period of time, you just need to gently press on the bottom of the mould, the filling will jump out, not leaving a residue; After using it, you can put it in the dishwasher or wash it by hand

EXTRA LARGE SIZE - 1pc of huge extra large size silicone sheet 25.2 in x 17.7 in / 64cm x 45cm, perfect size for a table saver, provides a large protected work area. One side is smooth surface (use this face down), the other side is matte (use this face up).

PREMIUM MATERIAL - 100% food grade silicone, heat resistant between -40°F and 446°F. Non-stick, heat-resistant, non-fading & long-lasting. Durable and reusable, not easy to deform and tear up. Perfect protective tool for DIY craft.

TABLE SURFACE PROTECTOR - A must-have for DIY crafting lovers to help keep your craft table away from resin, epoxy, glue, glitter, paint, ink, oil, scratches etc. It can also be placed under microwaves, air fryer, induction stove, toaster, coffee maker oven among other appliances to protect the countertop.

Create your own Resin Cast Pen Sticks

The mold has 4 cavities, so you can make 4 pen blanks at a time with this mold

Heat safe to at least 400F. (Resin casting heat will not affect the mold.)

【MIX RATIO 1A:1B BY VOLUME】no weighing scale necessary, this silicone mold making kit comes with 2 bottles, 1 gallon /10 lbs kit, part A 5 lb, part B 5 lb, very easy to use, also the bottle come with tinfoil sealed inside the cap, double guarantee for no leaking;

【SELF-DEGASSING & LOW VISCOSITY & EASY MIXING & POURING】this BBDINO 30A mold making silicone rubber has low viscosity so that you can easily mix and pour the silicone material, no degassing vaccum chamber needed, the molds finished with this liquid silicone for mold making has great flexibility & Strength. very easy to demold, Great silicone for mold making for simple one- or two-piece block molds making;

【WORKING TIME: 30 MINS, CURE TIME: 3~4 HRS AT ROOM TEMPERTUARE 25℃(73.4℉)】This pourable silicone for mold making cures at room temperature with negligible shrinkage, heat cure will shorten the cure time.

What You Will Get - 4 pack graduation silicone molds in blue are included in the package, designed with assorted themes, which can meet your various of needs for graduation party.

Graduation Elements - One pack is designed with 6 cavities in the shape of grad cap and diploma, and the other 3 packs are designed with the shape of GRAD, congratulations and diploma, matching with the theme of graduation, which will create strong atmosphere for the party.

Good Material - Made of good quality silicone, flexible, safe and easy to release which make the molds easy to clean and always keep its shape, compatible with most resins or other casting materials. Available in ovens, freezers, microwaves and dishwashers. Sizes will be shown in the picture.

What You Get: The package comes with 6 pcs sea creatures resin fillers, including great white shark, manta ray, humpback whale, black sea turtle, dolphin, blue whale.

3D Ocean Animals: These marine life models are 5.4~9.6 cm in length and each weighs 12 g. The solid 3d filler can be placed anywhere you want, they are perfect as filling materials for resin crafts.

Premium Material: FineInno 3D sea animal figures made by high quality silicone material, sturdy and durable, with a smooth finish and won't fade easily. Bring life to your resin marine landscaping crafts.

A3 Silicone Mats:About 15.7x11.8 inches per piece.Available in four bright colors,blue & rose red & yellow & green.Add vitality to your life and keep a good mood.

Premium Silicone Crafting Mat:Made of high quality silicone,soft,flexible,heat-resistant,non-fading,non-staining,durable reusable,not easy to deform or tear up.Great for DIY art projects and daily home use.

Versatile Art Mats for Table:Protect your desk countertop away from resin,epoxy,glue,glitter,paint,ink,oil,scratches etc.Save your worries,render your creative crafting work easier.

Great Value Set: These earring hooks kit including 1 transparent box, 3 pieces of holographic blue resin earring molds, 50 pieces gold earring, 50 pieces silver earring, 50 pieces of gold jump rings, 50 pieces of silver jump rings, 120 pieces earplugs, great jewelry findings with enough quantity for your DIY needs.

High Quality Material: These resin jewelry molds are made of durable silicone by advanced techniques, soft and light, you can use, de-mold and clean them easily, reusable epoxy molds.earring making kit are made of quality copper material, the surface is plated with 18K Gold, hypoallergenic, more shinny, they are not easy to fade and long lifetime.

Silica Gel Earplugs: The earring backs backs are made of clear silicone, the comfortable materials make sure for jewelry making will perform well in either jewelry DIY or your wearing experiences.

Silicone resin flower vase molds set includes 3x different shape vase mold; 9x Tubes(3 pcs/color-clear, blue, purple). Resin art makes our lives full of colors, DIY your unique resin crafts and showcase your unique creations!

Resin casting silicone vase molds, with Rectangle, Square, Oval shape, are made of durable silicone by advanced techniques. The interior of silicone resin molds is smooth and shiny, easy to demold after fully cured and wash with warm soapy water.

Silicone resin molds with 9 test tubes for hydroponic flower holder can be used for a wide variety of artwork, DIY personalized resin vase with different color, partten, wedding flower bouquet preserve, or for adding a wonderful touch to your home/office.

[Package Contents]: You will get 6 pieces of 2 sizes of Valentine's Day resin molds, one size of three each, measuring 3.1 inches and 3.3 inches. The sufficient quantity can meet your daily needs, perfect unique DIY decorations to make your lovers party more artistic and charming.

[Material]: Our valentines day molds are made of high quality silicone. With high softness and temperature resistance, durable, not easy to deform and break, but also recyclable and easy to clean.

[Unique Design]: Each resin decoration mold is made of unique and exquisite design with rich valentines elements, you can design it according to your preference during the DIY mold process, and it can be hung on the tree after it is done and looks very beautiful.

This resin letter mold is widely used to making resin artwork, candles, soap, ornaments or other DIY crafts, good for home decoration, anniversary, wedding and various party decoration, birthday gift. Lighting it up on holidays will certainly add a warm ambience.

Overall Size: 15.24 x 13.5cm/6 x 5.31inch(H*W); Thickness: 4.3cm/1.69inch; Material: Silicone; Color: Blue.

The resin letter mold are made of silicone, which is durable, flexible and reusable for DIY crafting your creative ideas. You can use with some dried flowers, sequins, shell, gold, silver foil, glitter or mica powder. 26 letters are available to DIY unique decorations.

Enough to Meet Your Needs: the package contains 12 pieces of Christmas resin molds in blue color, and equipped with 1 roll of rope, a nice combination set to satisfy your diverse DIY demands

Quality and Reliable Material: made of quality silicone material, the round Christmas molds are soft and stable, not easy to break, deform or fade, reliable and lasting, serving you for a long time

Hole Design for Hanging: these silicone resin molds feature a small hole on the top, convenient for you to pass through and hang with a rope (included), to make your own hanging decorations