DIY Silicone Cabochons Molds, Resin Casting Molds, for UV Resin, Epoxy Resin Jewelry Making, Star PatternSize: about 120mm wide, 135mm long, 8mm thick; inner diameter: star 1: 7x9mm; star 2: 14x17mm; star 3: 24x31mm; star 4: 39x52mm.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.