DIY Silicone Cabochon Molds, Resin Casting Molds, For UV Resin, Epoxy Resin Craft Making, Alphabet/Number, WhiteSize: letter mold: 126mm wide, 98mm long, 5mm thick, 1pc; letter mold: 124mm wide, 94mm long, 5mm thick, 1pc; number mold: 88mm wide, 53mm long, 5mm thick, 1pc.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.