All-Clad Stainless 4-Quart Sauteuse Pan Dome-lidded, 4-quart, 11-inch diameter, 3-inch-deep pan for one-dish cooking Three-ply: stainless-steel layers sandwich pure aluminum core for even heating Comfortable lid and stay-cool pan handles riveted for strength Dishwasher safe, but hand washing recommended Lifetime warranty against defects