Focus Foodservice Commercial Bakeware 16-Gauge Aluminum Fully Perforated-Sheet Pan, Half Size Heavy duty commercial bakeware; half size sheet pan 16 gauge silicone glazed finish aluminum with all over perforations for easy release of baked goods, superior air circulation and draining Pan measures 13 by 18 by 1-inch Concave bottoms flatten during heating; reinforcing rods keep pans straight during baking Season pan prior to first use; wipe to clean; if needed, wash with cold water, mild soap and dry immediately