DIY Pendant Silicone Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, Heart, Deep Sky BlueSize: about 1.65 inch(42mm) wide, 2.87 inch(73mm) long, 0.16 inch(4mm) thick, hole: 0.08 inch(2mm), inner size: 1.42x1.26 inch(36x32mm).Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.