Kaiser Bakeware Jelly Roll Pan Extraordinaire Nonstick steel jelly roll pan Insulating layer of air between 2 layers of steel for even browning without burning 2-layer nonstick interior and exterior; patented "X" design guarantees the pan will never warp Dishwasher-safe, hand-washing recommended; oven-safe to 450 degrees F 12-1/2 by 9 inches; 3-year warranty