The Gourmet Standard 4-Quart Tri-Ply Chef's Pan with Lid features a tight-fitting lid and has a lifetime warranty. The Tri-Ply construction has a pure aluminum core double wrapped in stainless steel to conduct heat evenly and quickly. 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.