DIY Evil Eye Cup Mat Silicone Molds, Resin Casting Molds, Clay Craft Mold Tools, Flat Round, WhiteSize: about 3.58 inch(91mm) in diameter, 0.35 inch(9mm) thick, inner diameter: 3.43 inch(87mm).Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.