The tall, straight sides and precision-fit lid of the Gourmet Standard 8 Quart Tri-Ply Stockpot concentrate heat and keep liquids inside, so it is perfect for simmering soups and stocks, as well as boiling pasta, vegetables, and shellfish. The Tri-Ply construction features a pure aluminum core surrounded by stainless steel for the ultimate heat conductivity and even distribution. The polished copper exterior conducts heat well and is gorgeous. Backed by 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.