Silicone Cup Mat Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Jewelry Making, Nuggets, WhiteSize: about diagonal: 120mm wide, 120mm long, 12mm thick, side: 124mm wide, 125mm long, 12mm thick, inner size: 115mm long, 115mm wide.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.