Baked goods rise and bake evenly due to aluminums superior heat conductivity Premium gold non-stick interior is scratch-resistant, easy release and clean-up, hand wash only Rims are reinforced with galvanized steel, which prevents warping Proudly made in the USA by Nordic Ware Pan exterior dimensions 17. 75x 12.875x 1 inches and interior dimensions 17. 25 x 12. 25 x 0.9 inches Actual color may vary slightly from what appears online