Bowknot Shape Jewelry Plate DIY Silicone Mold, Resin Casting Molds, for UV Resin, Epoxy Resin Craft Making, Flat RoundSize: about 3.90 inch(99mm) wide, 4.29 inch(109mm) long, 0.79 inch(20mm) thick.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.