-These aluminum baking sheets from the experts at Nordic Ware are available in two sizes, feature an anti-warp encapsulated steel rim and come with a lifetime guarantee from the manufacturer. Aluminum is the material of choice in professional kitchens for its even baking and anti-rust durability. A family-owned company for over 70 years, Nordic Ware is adored by home-cooks and restaurant chefs alike. Also could be used for baking,bake,bakeware,baking tools,kitchen items,kitchen tool,baking pan,making cookies,baking accessory. By Cost Plus World Market.577810