Calphalon One Nonstick 5-Quart Saucier with Steamer Insert 5-quart saucier with glass lid; 10-by-3-1/2-inch stainless-steel steamer insert Four interlocking nonstick layers on interior; advanced release polymer to prevent staining on exterior Glass lids oven-safe to 450 degrees F; stainless-steel ergonomic handles stay cool For gas, electric, ceramic stovetops; safe for use with nylon, plastic, and wood utensils Hand-washing recommended; oven-safe to 500 degrees F; lifetime warranty; made in USA