Material, bpa free, nontoxic nonstick coating. microwave oven safe. heat-resistance temperature: 445°f (230°c); our pans can work perfectly in a pressure cooker of 6qt or 8qt. nonstick coating for effortless release.spring latch offering a tight leak-proof seal makes baking mess-free with an easy cleanup.your cakes will always come out perfectly. hand wash only. choose soft tools and mild detergent when you clean the cheesecake pan to protect non-stick coating. avoid sharp and rough tools to scratch the pan.