Made of pure aluminum which will never rust. Reinforced by an encapsulated rim for strength to prevent warping. Designed for use in commercial size ovens and fits standard baker's racks. Perforated for efficient and even baking. Great for croissants, tarts and cookies! Not for consumer sized oven. 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. Full dimenions 18" x wide x 26 " long x 1" high Baking dimensions 17.3" x 25.3 " long