Nordic Ware Natural Aluminum Commercial Mini Loaf Pans, Four 2-Cup Pans 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 Easy clean up, hand wash only Four 2 cup mini loaf pans Proudly made in the USA by Nordic Ware