DIY Flower Cup Mat Silicone Molds, Resin Casting Molds, for UV Resin & Epoxy Resin Craft Making, WhiteSize: about 136mm in diameter, 21.5mm thick. â Application: The finished works made from this silicone molds are used for soap trays with self-draining function. â Personalized DIY Craft: You can add some dried flowers, beads, sequin or any other embellishments you like to create infinite possibilities for your tray plates. â Usage: These cup mat silicone molds are suitable for casting resin, epoxy resin. You can use it to make heat proof mat, cup mats, bowl mats, dish mats or home decor projects; also fit as special gifts for family and friends. â Easy to Release: Just push out your creaction out of the mold from the bottom, after the resin is completely cured. Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.