The Kitchen Essentials baking sheet from Calphalon is made of heavy-gauge stainless steel that uniformly distributes heat for better baking. With a generous 12"×17" size, you can bake huge batches of cookies, biscuits or rolls and delight your loved ones. The stainless steel baking sheet"s wide edge offers a secure grip. It has a non-stick finish that easily releases your baked goods so that your cleanup is effortless. It doesn"t chip or break and can withstand a temperature of 450° F. Dishwasher safe.