Professional pastry chefs and bakeries bake on aluminum for consistently perfect results. You can do the same with our commercial quality Naturals bakeware collection. Made of pure aluminum, these premium pans will never rust and they produce evenly browned baked goods every time. Encapsulated galvanized steel rims prevent warping. Square pans are a kitchen basic. An 8 x 8 inch is sometimes just what a recipe calls for. Natural aluminum pan with steel reinforced rim provides durability, even heating and consistently great baking results. Lifetime .