Paula Deen 13 x 18 Inch Cookie Sheet with Silicone Insert, Red Heavy duty commercial-style baking sheet with red silicone insert for nonstick baking; measures 13 by 18 inches Removable silicone mat provides nonstick surface while baking; can also be used on the countertop Constructed of heavy gauge blend of steel and aluminum to retain heat Wire reinforced rim to resist warping and for extra strength and durability Oven safe to 500 degrees F; hand washing recommended