The Gourmet Standard Tri-Ply Jelly Roll features an aluminum core sandwiched between double layers of stainless steel. The ergonomic handles make this an easy-to-use cake or jelly roll pan. It has a lifetime warranty backed by Gourmet Standard. 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.