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 bakware, 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. The Lifetime warranty ensures the avid baker sturdy construction and product longevity. This collection is dishwasher safe, however hand-washing is recommended to extend the product life. This Chicago Metallic Commercial II non-stick 12 cup muffin pan measures 15-3/4 by 11-Inch and each muffin cup measures 2-3/4 diameter by 1-1/4-Inch high.