The Winco HMF-20Emuffin pan is constructed withheavy-duty, 26-gauge aluminized steelwith a premium non-stick coating for easy removal and a closed bead, wire-inreinforced rim. The pan measures17-7/8" x 25-7/8"with 20 cups 4rows of 5. The cups hold a capacity of8.2 oz each and are properly spaced for achieving ideal muffin tops.These non-stick muffin pans are designed for use in commercial ovens and on speed racks.