DIY Crystal Cluster Silicone Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, WhiteSize: about 1.30 inch(33mm) wide, 1.73 inch(44mm) long, 1.10 inch(28mm) thick, inner diameter: 0.87x0.71 inch(22x18mm).Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.