Geometry Pendant & Links Silicone Molds, Resin Casting Molds, For DIY UV Resin, Epoxy Resin Earring Jewelry Making, WhiteSize: about 106mm wide, 144mm long, 5mm thick;p>Inner Diameter: star: 39x34mm; round: 17mm; heart: 35x40mm; letter c: 57x64mm; hexagon: 59x66mm; square: 20x20mm.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.