The Big Sheet Baking Pan is one of the most versatile baking pans you will ever need to create your favorite desserts, roast delicious vegetables, or bake a delicious meal. Our top-rated Naturals®Bakeware collection is made of pure aluminum for superior heat conductivity and produces consistent evenly browned baked goods every time. These premium pans have a lifetime durability and will never rust. Encapsulated galvanized steel rims prevent warping. Creativity meets natural aluminum sustainability.