Chicago Metallic Professional Extra Large Roaster Extra-large roaster pan made of heavy-weight aluminized steel for even heating Nonstick finish won't chip or peel; 10 times tougher than ordinary nonstick Folded corners add triple-thickness strength; reinforced rims eliminate warping Dishwasher-safe; oven-safe to 550 degrees F; plastic or wooden utensils recommended Measures 17 by 12 by 3 inches; limited lifetime warranty