Nonstick Bakeware offers the best baking results. The new high performance nonstick coating provides perfect release for beautiful baked good results every time. Calphalon?s reinforced nonstick formula guarantees a lifetime of durability. True to the commercial inspired construction, each pan features rolled edges to prevent warping. Folded construction on square and rectangular pans, gives baked goods clean crisp edges and keeps pans level and true.