Bakers Secret 1114363 17-1/4" x 11-1/4" Large Baker's Secret Cookie Sheet Large cookie pan with nonstick coating on professional-weight steel 2-ply steel fortified with ETP for enhanced durability and rust protection Delivers even cooking results, optimal browning, and easy release of baked goods Dishwasher safe; use non-metal utensils only; broiler-safe rating 5-year limited warranty