All-Clad 3013 Hard Anodized Aluminum Scratch Resistant Nonstick Anti-Warp Base Double Burner Grande 13-Inch by 20-Inch Grill Pan Specialty Cookware, 20-Inch, Black 13 x 20-Inch Nonstick Grande Grille pan with wide ridged surface Hard-anodized aluminum construction for fast, even heating and easy cleanup; warp-resistant base PFOA-free nonstick coating for healthier cooking with less fat Stainless-steel handles contoured for a comfortable hold and permanently secured with stainless-steel rivets Oven-safe to 500 degrees F (without lids); dishwasher-safe; limited lifetime warranty