DIY Crystal Cluster Silicone Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, WhiteSize: about 1.50 inch(38mm) wide, 1.38 inch(35mm) long, 1.18 inch(30mm) thick, inner diameter: 0.94x0.71 inch(24x18mm).Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.