Calphalon One Nonstick 10-Piece Cookware Set Includes 3-quart chef's pan, 4-1/2-quart saucepan, 11-inch chef's skillet, 8-quart stockpot (all with lids); 10- and 12-inch fry pans Four interlocking nonstick layers on interior; advanced release polymer to prevent staining on exterior Stainless-steel ergonomic handles stay cool; glass lids oven-safe to 450 degrees F For gas, electric, ceramic stovetops; oven-safe to 500 degrees F Hand-washing recommended; lifetime warranty; made in USA