Lagostina Q5544764 Martellata Tri-ply Hammered Stainless Steel Copper Dishwasher Safe Oven Safe Stockpot / Casserolle Cookware, 5-Quart, Copper Premium Stainless Steel interior with a thick heat-radiating aluminum core for efficient heat distribution Beautiful hammered copper exterior for better hear control and hear retention Comfortable stay cool handles are built for strength and stability over a lifetime of use Dishwasher safe and oven safe to 500 degree f Metal-utensil safe; Lifetime Warranty