Our molds are made of pure silicon, with excellent elasticity, excellent high tear strength and so on. After squeezing and deforming, just rest for a while and then return to the state.The use of resin roller coaster models is very versatile Suitable for epoxy resin coasters, small flower pot bottoms, concerts, plaster, cement and polymer clay, etc.; you can also add dried flowers, pearl pigments, mica powder, dark powder, glitter and sequins to the resin model to get and colorful model.You can add some resin pigments, resin dyes and embed different kinds of decorations or fillers to create your resin art projects, such as coasters, bowl mats, table decorations, wall decorations, home decorations, etc.The smooth interior is easily demolded when fully cured, reducing the need for cutting and polishing. Alternatively, you can use a release spray or soapy water to help extend the life of the silicone mold.Different shapes-can be used to make coasters of different shapes, reusable moldssize:Square side length 10cmHexagon diameter 11.5cmSmall round diameter 8cm round diameter 10cmMaterial:Silica gelcolour:transparent whitePackage Contents:4 x Silicone MoldsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.