【HEALTHY MATERIALS】 The loaf pan is made of durable porcelain, a type of premium ceramic, resists staining, odors, chipping and cracking. Wisenvoy Ceramic Bread Pan Loaf Pan For Oven. 【MULTIFUNCTIONAL USE】 The loaf pan is MICROWAVE SAFE (400 ℉/205 ℃), OVEN SAFE, FREEZER SAFE, DISHWASHER SAFE.