See detail @ Crafted from heavy-gauge aluminized steel, this 17-inch baking sheet combines the durability, strength, and superior heat conduction of steel with the corrosion-resistance of an aluminumsteel alloy. The sheet features a Xylan nonstick coating on both the interior and exterior, ensuring effortless release, even without the use of shortening or butter. Oven-safe up to 450 degrees F, the bakeware's extra-thick rolled edges prevent warping, while its silicone easy-grip handles makes for convenient removal of delicious sweets and homemade breads from the oven. The dishwasher-safe baking sheet carries a limited lifetime warranty.