Silicone Bead Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, Rhombus, WhiteSize: about 5.1cm wide, 7.6mm long, 0.9cm thick; bead: 16mm in diameter, 7mm thick, hole: 6mm.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.