DIY Cabochon Silicone Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, Flat RoundSize: about 91mm wide, 91mm long, 5mm thick, inner diameter: 8mm & 10mm & 12mm & 14mm & 16mm & 18mm & 20mm & 24mm.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.