Material: Silicone. Soft, flexible, and reusable, easy to get the mold out. The finished products are very shiny and clear. Perfect tools for your DIY resin craft projects to create beautiful jewelry pieces, phone cases decoration or keychains. You can add some filters to make different type mermail . After your project is fully cured, it will be easy toout of the resin mold. You can use soapy water as a mold release agent. Keep stored in a dry dust free area. from strong acids. Colour:transparent white Material:Silica gel Size:11.4 x 7.6cm Package Contents: 3 x Silicone mold Only 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.