18" x 13" x 1" This professional bakeware is crafted from the finest heavy gauge aluminized steel.   This pan is ideal for baking broiling and preparing foods.  Our bakeware is constructed of the same material used in professional baking pans.  It is extremely durable and resistant to warping.  This pan retains and evenly distributes heat, which will result in quality-baked products time and again.  Our professional bakeware is dishwasher safe and will not corrode or rust.