Nordic Ware 3 Piece Prism Natural Aluminum Baking Set, Large, Standard & High Sided Half Sheet, Lid

Size: Exterior dimensions: Half sheet: 12.9" x 17.9" x 1", High sided Half Sheet: 13" x 17.9" x 2", Lid: 13.1" x 18.3" x 1.5" Pan Material: Natural Aluminum, Lid: BPA and melamine free plastic Natural aluminum is a superior heat conductor for even heating, baking and browning  Prism texture for air flow and decorative serving Color: Silver, clear lid Lid fits Half sheet and high sided half sheet for easy storage and for transporting Hand wash in warm soapy water Dishwasher use is not advised, as discoloration will occur due to the cleaning agents used in automatic dishwasher detergent, which is merely cosmetic not affecting baking properties or safety of the pan Nylon, wood, or silicone utensils are recommended Metal utensils and scouring pads may scratch natural aluminum pans, but will not affect baking performance