Aluminum construction: promotes efficient heat distribution to bake and brown evenly and ensure baked good rise properly. Durable aluminum: long-lasting aluminum surface offers easy and convenient cleanup after every use rolled rims.Helps prevent oven spills and warping to maintain the perfect shape every time baking essentials. A complete set for any budding or veteran home cooks who enjoys making pan-roasted side dishes, baking artisanal breads, serving up cookies and homemade birthday cakes.Set includes one each: 9x5 loaf pan, 9" round cake pan, 12" baker, 15" cookie sheet. # Pieces In Set: 4 Features: Non-Stick, Even Heating, Multi-Pack Recommended Utensil Material: Wood, Nylon, Silicone Shape: Rectangle Maximum Temp (f): 425 Degrees F Base Material: 100% Aluminum Care: Hand Wash Decor Styles: Traditional Material: Aluminum Country of Origin: Imported