Constructed of three permanently bonded layers of metal (an exterior of magnetic stainless steel that spreads the heat quickly and evenly with no hot spots to ruin your food, an inner layer of pure aluminum that's one of the best conductors of heat, and an 18/10 stainless steel cooking surface that will not interfere with the flavors or appearance of the foods). It's sloped sides makes it great for cooking cream risottos and reducing slow-cooked one pan meals like stews and casseroles. Lifetime warranty against defects. Made in the USA.