Silicone Bead Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, Rhombus, WhiteSize: about 4cm wide, 6cm long, 0.7cm thick; bead: 12mm in diameter, 5mm thick, hole: 5mm.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.