Prima silicone molds for beautifully dimensional goodies to embellish your décor and craft projects. And they play well with so many types of media- air dry clay, polymer clay, earthen clay, hot glue, even chocolate (food safe rated)! practically any molding medium.Details:Majesty Beauty5" x 8" overall mold sizeOven safe up to 500°FFreezer safe to -100°FFood safeOven, microwave, refrigerator and freezer safeNon-stickBPA, PVC and Phthalate freeSilicone