Non-Stick Pro Cookie Sheet: Heavy grade aluminized sheet Features square-rolled edges and secure grip with a metallic finish Commercial grade, double-layer, ceramic-reinforced PTFE non-stick coating Non-stick line features a micro-textured pattern that ensures even baking by minimizing your food's surface contact with the pan and promoting airflow Micro-textured pattern also adds structural rigidity that prevents warping after a long time of use Promotes even heat distribution Scratch, stain, corrosion and abrasion resistant Measurements: 18.5" W x 14.5" D x 0.75" H " material="Steel" origin="United States"