See what a difference the quality can make when you equip your kitchen area with quality sheets pans from Chicago Metallic. Chicago Metallic's 6-1/2" x 9-1/2" Aluminum Eighth-Size Sheet Pan (41800) is a great example of quality bakeware resembles. The 16-gauge aluminum construction is extremely long lasting and features a rolled edge that prevents the pan from warping inside the oven after consistent use. You can count on this pan for everything from cookies to cakes to buns and rolls. Whatever you're baking, this pan is gotten ready for all of it. Features: 16-Gauge Aluminum, Rolled Edge. Advantages: 16-gauge aluminum is a long lasting bakeware product, The rolled edge prevents the pan from warping in the oven.