Calphalon (BW2018P) Classic Bakeware Special Value 12-by-17-Inch Rectangular Nonstick Jelly Roll Pans, Set of 2 Set of 2 nonstick jelly roll pans made of heavy-gauge, aluminized steel Heavy-duty construction means no twisting or warping Two-tone surface promotes perfect browning Oven safe to 450 degrees F; not broiler safe; not dishwasher safe Measures 12 by 17 inches; lifetime warranty