DIY Book Shape Cabochon Silicone Molds, Resin Casting Molds, for UV Resin & Epoxy Resin Jewelry Making, WhiteSize: about 37mm wide, 42mm long, 9mm thick, 27.5x22mm in diameter.â Material: Made of silicone, soft and flexible with smooth surface, easy to demold and clean. The silicone mold is transparent, so you can check the working process easily. â Personalized DIY Craft: You can add some dried flowers, beads, sequin, glitter or any other embellishments you like to create infinite possibilities for your magic open book. â Application: The finished resin works, DIY with care and patience, is not just fit for beautiful home decor art, also perfect as a special and meaningful gift for friends, families, relatives on important occasions or days.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.