PIXISS Silicone Family Mold Durable, high-quality silicone this mold is made from premium silicon which can be used for unlimited casting. The silicone family mold is smooth and clean. Simply add resin and decorations into the letter mold, then push the other side of the mold and resin comes out smoothly when cured. Easy to Clean: Hand wash the silicone mold with mild soap and warm water, air dry after each use.