Calphalon Nonstick Bakeware Insulated Cookie Sheet, Toffee Heavy-gauge steel with an insulating layer of air so your cookies and cakes come out of the oven perfectly and evenly browned Toffee-colored nonstick surface easily releases baked goods for flawless results Lighter color makes it easier to prevent overbrowning Dishwasher safe for easy cleanup Protected by a Full 10 Year Warranty