The M’cook roasting pan is handcrafted from naturally nonstick stainless steel, a high-performance material ideal for quick, uniform heat. The stylish French kitchen essential also features over-sized handles with steel rivets for sturdy maneuvering from cook top to oven to dishwasher. 5-ply construction. Works on all cooking surfaces. Approximately .06″ (1.5 mm) thick. Pouring rims. Oven safe to 680° F. Includes rack. Mauviel products are covered by a lifetime guarantee (not valid for commercial use).