DIY Crystal Cluster Silicone Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, WhiteSize: about 2.87 inch(73mm) wide, 2.17 inch(55mm) long, 1.93 inch(49mm) thick, inner diameter: 1.97x1.81 inch(50x46mm).Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.