Circulon Innovatum Aluminum 12 - Piece Cookware Set, Red Heavy-duty aluminum construction ensures fast, even heating for consistent cooking results Superior nonstick with raised circles to reduce abrasion caused by utensils coming into contact with the cooking surface Durable nonstick cooking surface ensures fast cleanups and delivers exceptional food release while resisting scratches, stains and chipping Included shatter-resistant glass lids allow cooking to be monitored while sealing in heat and moisture Oven safe up to 500 F