DIY Silicone Bookmark Molds, Pendant Molds, Resin Casting Molds, RectangleSize: about 60.5mm wide, 185mm long, 5mm thick, Hole: 2.8mm, inner diameter: 181x28mm and 105x26.5mm and 67.5x26.5mm.Temperature Limit: This mold permitted useful temperature range is between -20â to 200â.