Environmental Technology 3-Inch by DIA by 1-3/8-Inch Dome Castin' Craft Carded Poly Mold, MC-5,
Castin' Craft MC Poly Molds are made of polypropylene. These high quality molds are used with Castin' Craft Clear Polyester Resin. Use Castin' Craft Mold Release/Conditioner to clean and condition molds for longer life.