20 1/4 x 14 1/4 in x 1 in. 51.4 cm x 36.1 cm x 2.5 cm. Professionally trusted. Family approved. Non-stick coating. Commercial bakeware. Fluted surface for even baking. Heavy gauge aluminized steel. Non-stick silicone coating - PTFE & PFOA free. Manufactured by the world's largest producer of commercial bakeware. Limited lifetime warranty. Made in the USA. Materials sourced globally.