The Gourmet Standard 10-inch Tri-Ply Skillet features an aluminum core and copper exterior to help conduct heat evenly and quickly. The stainless steel interior adds superior balance. This skillet has a lifetime warranty. For almost a decade, Gourmet Standard has been creating innovative kitchen essentials in stainless steel and aluminum cookware, bakeware, accessories, and more. Its specialty cookware product lines impress both customers and the food industry with their usability, durability, and style.