Round cake pan is made of rust resistant anodized aluminum, food grade material with no toxic coating peeling off , healthy and safe for your daily baking use. Quick release and easy to clean, simply push up the bottom to de-pan. Easy clean by simply wipe them with soft dishcloth under warm soapy water and dry off. Dishwasher is NOT advised as it will harm the surface. Designed for cheesecakes, the cake pan is ideal for upside-down cakes, tiramisu, ice cream cakes and other specialty desserts where the top needs to be preserved.