Set Includes: A set of 20/40 pcs heavy duty aluminum pans and 20/40 pcs PP covers, These heavy duty aluminum pan ensure efficient baking. Safe materials and design: Disposable food containers are made of aluminum, and these baking trays are double-layer thick to ensure a better baking experience. The edges of these baking pans are designed to be smooth, reducing the risk of hand cuts. Leak proof design: The aluminum pot with a lid is equipped with a leak proof PP lid, reducing the possibility of food leakage or spillage and helping to maintain cleanliness, especially when used as a covered food container. Practical and versatile: Double layered thick baking pans are not only used for baking, but they can also be used for cooking, storing leftovers, and even as takeaway boxes. These aluminum foil pots can meet your needs.