Focus Foodservice Commercial Bakeware 23 Gauge Non-Stick Aluminum Sheet Pan, 1/4 Sheet Heavy duty commercial bakeware; quarter sheet pan 23 gauge non-stick coated aluminized steel for superior strength,even heat distribution, easy clean up Pan measures 9-1/2 by 13 by 1-inch Concave bottoms flatten during heating; reinforcing rods keep pans straight during baking Wipe with soft dry cloth to clean; if needed, hand wash with hot water, mild soap and dry immediately