Bake perfectly delicious cakes for years to come with this durable pan from Calphalon. Expertly constructed to the standards of culinary professionals, it features a removable springform ring that releases the pan sides, making it easy to create crumb-crust desserts, cheesecakes and flourless cakes. Warranty Information. Heavy-gauge steel. Dishwasher safe. Imported. 9" Diameter. Rolled edges for easy release. Oven safe to 500° Manufacturer's full lifetime warranty.