Easy to use and clean for the silicone material, high temperature, corrosion, mold hardness soft toughness appropriate. Cute Design with shape ,cat shape ,moon shape ,star shape , heart shape etc,inside the mold is smooth to give you a shiny finish and therefore no need for polishing. Can be used with Resin, Cabochon, Polymer Clay,Soap Mold and more. Perfect tools for your DIY craft projects make pendant, earring, necklace, bracelet, and other jewelry making It's perfect for using it with resin, you can add beads, rhinestones, sequins, colors, dried flower, pictures or anything you like. Specification: Material: Silicone Color: Clear Moon Size: Approx.30x15x10mm/1.2x0.6x0.4inch Star Size Approx .21x21x10mm/0.8x0.8x0.4inch Cat 1 Size Approx.26x21x7mm/1x0.8x0.3inch Cat 2 Size Approx.15x12x7mm/0.6x0.5x0.3inch Size Approx.25x23x7mm/1x0.9x0.3inch Heart 1 Shape Approx.18x16x6mm/0.7x0.6x0.24inch Heart 2 Size Approx.12x12x6mm/0.5x0.5x0.24inch Package Includes: 3 Sheets Assorted Silicone Molds(2 Pack)