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 aluminum's superior heat conductivity and the reinforced encapsulated steel rim prevents warping
17.9" L x 13" W x 1.1" H (exterior); 16.25" L x 11.25" W x 1" H (interior)
Easy clean up, hand wash only. Made in the USA.