Pedrini Nonstick Cookie Sheets, Set of 3 Constructed of Carbon Steel Exceptional Ability to Distribute Oven Heat to all Sides of Pan Quickly & Evenly Nonstick Coating on the Interior & Exterior Offers Easy Release and Quick Clean-Up Dishwasher Safe Set Includes (1) Each: 13 Inch, 15 Inch, and 17 Inch Long