Make mega batches of cookies and bars with this extra large sheet pan. Fits all standard size ovens. 35 percent larger surface than the half sheet! Baking professionals know that the secret to evenly-baked and perfectly browned food is to cook with aluminum bakeware. Aluminum is widely known for its excellent heat conductivity and cooks more evenly and thoroughly than other metals. Turns out perfect results every time, whether you're making bars, brownies, or cookies. Features a galvanized steel reinforcement around the rim to prevent warping. Premium gold nonstick interior for easy release and cleanup. Hand-wash cleaning only. Made in the USA. Limited Lifetime Warranty. Nordic Ware is family owned and proudly made in the USA for over 75 years. Famously known for the Bundt Pan Nordic Ware also manufacturers other high quality kitchenware products which include; everyday Bakeware, Cookware, Grilling, Microwave and Kitchen Accessories. We pride ourselves in exceeding customer expectations, so when you purchase from Nordic Ware you are buying direct from the manufacturer and any questions or concerns with your purchase will be handled directly.