Make large batches of cookies and bars with this extra-large sheet pan. Fits most standard-size ovens. 35 percent larger surface than the half sheet! Our commercial-duty Naturals Bakeware is made of even-heating, rust-proof aluminum and features a galvanized steel encapsulated reinforcement around the rims for added strength. Bakers agree that aluminum bakes and browns are best. Whether you're cooking sweet or savory foods or even a sheet pan means, this pan feeds a crowd and allows you to cook more food in less time. Use Care: 1. Before initial use and after subsequent uses, hand wash with warm, soapy water. 2. Dishwasher use is not advised, as discoloration will occur due to the cleaning agents used in automatic dishwasher detergent. This discoloration is merely cosmetic and will not affect baking properties or safety of the pan. 3. Natural aluminum pans work well with parchment paper, silicone baking mats, and also traditional butter or shor Material: Aluminum Warranty: Lifetime Warranty Weight: 2.1 lbs