Plasticpro Aluminum Tin Foil 9 x 13 Half Size Deep Steam Table Pans & Lids is made out of Disposable Eco Friendly Durable Heavyweight Aluminum material & is Designed Strong Enough for Baking, Cooking, Roasting, Broiling, & is Also Great for Food Storage as in Deep Freezing, Storing Meals, or Just To Toss Some Extras in The Refrigirator Also is it Great to Use as A Lunch Box And Last But Not Least Perfect for Baking Bread, Cakes, Meat Loaf, Lasagna, & Much More.