Nordicware - This generously sized sheet cake pan made of natural aluminum has a cover for storing and transporting all of your delicious creations. The lid is made of BPA- and Melamine-free polypropylene. Proudly made in the USA. Interior Dimensions: L: 17.3 in. W: 12.4 in. H: 2 in. Material: Aluminum, BPA-free Plastic Cover. Warranty: Lifetime Warranty. For CALIFORNIA SHIPMENTS: Please refer to NORDICWARE.COM/MATERIALS for MATERIALS DISCLOSURES.