Chicago Metallic COMMERCIAL HEAVY DUTY BAKEWARE – Made of high quality Aluminized Steel for superior heat conduction, even baking and durability. These are uncoated pans used by commercial bakers!!

Commercial Jelly Roll Pan – 16-3/4″x 12″ x 1″ deep.

Recommended by Cook’s Illustrated in their “The Best Rimmed Baking Sheets.”