This embossed natural aluminum bakeware from Nordic Ware features an exclusive prism grid that adds durability and provides easy release while also improving air flow for uniform crisping. Natural aluminum affords the best possible heat dispersion to create perfectly browned baked goods every time and the reinforced encapsulated steel rim prevents warping, Prism grid adds durability and provides easy release while also improving air flow for uniform crisping. Aluminum, Hand wash, Manufacturer's limited lifetime warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140. Model no. 45370M, 12.9"L x 9.6"W x 1.1"H. Size: One Size. Color: Multi. Gender: unisex. Age Group: adult. Material: METAL.