Make mega 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 best. Whether you're cooking sweet or savory foods or even sheet pan means, this pan feeds a crowd and allows you to cook more food in less time.