Our top-rated Naturals®Bakeware collection is made of pure aluminum for superior heat conductivity and produces consistent evenly browned baked goods every time. These premium pans have a lifetime durability and will never rust. Encapsulated galvanized steel rims prevent warping. Creativity meets natural aluminum sustainability. Features: Even Heating Recommended Utensil Material: Silicone, Nylon, Wood, Metal Shape: Rectangle Measurements: 2.5 Height/Inches, 9.5 Width/Inches, 12.87 Depth/Inches Maximum Temp (f): 400 Degrees F Base Material: 100% Aluminum Bakeware Size: 9" X 13" Care: Hand Wash Material: Aluminum Country of Origin: Made in US