Chicago Metallic Commercial II Traditional Uncoated Large Jelly Roll Pan, 16-3/4 by 12-Inch Ideal for like one-sheet dinners, jelly rolls, bars, and cookies but can also be used to make one-sheet pan meals, roast vegetables, reheat leftovers Made from heavy-weight aluminized steel for superior heat conduction and even baking; features wire rod reinforced rims to prevent warping Features a traditional, uncoated baking surface Measures 16.75-inch by 12-inch by 1-inch Dishwasher safe, however hand-washing is recommended to extend product life