Natural aluminum commercial bakeware is made of pure aluminum which will never rust for a lifetime of durability. Baked goods rise and bake evenly due to aluminums superior heat conductivity and the reinforced encapsulated steel rim prevents warping. Pan exterior dimensions 15.63 x 9.63 x 3.25 inches and interior dimensions 13 x 8.88 x 2.5 inches. Proudly made in the USA by Nordic Ware. Bake delicious brownies and keep them fresh with this brownie pan and storage container. From Nordic Ware, makers of premium bakeware that cooks trust most. This cake pan holds a traditional 9 x 13-in. cake. Bake in it then cover it with the metal lid and it’s ready to take with you. Great for pot-luck dinners where you are in charge of dessert. It also serves to keep your baked goods fresh when at home.