Chicago Metallic has built an unmatched reputation as the "Bakeware Experts" by delivering commercial quality, high performance products employing premium materials and construction. Chicago Metallic is proud to introduce Commercial II, a top of the line assortment of bakeware. Offering both traditional uncoated and dual coated, diamond-quality non-stick Bakeware, the Commercial II line provides the strength and durability to craft delectable results day after day. The entire line is made of heavy-weight aluminized steel for superior heat conduction and even baking results. This collection is dishwasher safe, however hand-washing is recommended to extend the product life. This Chicago Metallic Commercial II non stick jelly roll pan is strong and durable with long-lasting construction. A wire rod reinforcement prevents warping. It measures 17-1/2 by 12-1/2 by 1-Inch.