Chicago Metallic Commercial II Traditional Uncoated Bake N' Roast Pan, 13 by 9 by 2-1/4-Inch Made from heavy-weight aluminized steel for superior heat conduction and even baking Traditional, uncoated baking surface Features folded corners and a wire rod reinforced rim to prevent warping Measures 13-inch by 9-inch by 2.5-inch Dishwasher safe, however hand-washing is recommended to extend product life