This All-Clad Copper Core 5.5-Quart Dutch Oven features a round bottom that facilitates effortless stirring without sticking. Generously large and deep, the dutch oven is an excellent choice for one-pot meals.The domed lid is specially designed to retain moisture by returning flavorful vapors. Designed for professional use, Copper Core features 5-ply construction with a copper center, which transfers heat and spreads it quickly, evenly, and precisely throughout the cookware, all the way to the rim.