1. WIDE APPLICATIONThe round foil trays are suitable for roasting, baking, broiling, cooking, freezing and barbecue. These trays allow you to cook delicious pies, cheesecake, casseroles, crumbles, bake the cake, etc. You also can use it for food storage when you go camping, hiking, or have parties. 2. 40 SET FOIL TRAYSEach package includes 40pcs foil food containers with lids, the size of our deep round foil trays is 232 x 50mm / 9.13 x 1.97inch. Enough quantity meets your needs, you can use them store food indoors and outdoors, or as a takeout container. 3. ALUMINIUM TRAYSOur large foil trays with lids are made of aluminium foil to ensure food safety without strange smell, and the food trays can handle extremely temperatures and for recycle use. Suitable for oven, air fryer and flame. 4. CLEAR COVEREach of aluminum round tray comes equipped with a clear plastic cover, you can clearly see the items inside. The plastic cover can effectively prevent the food you store in the tray from spilling out and also make transport be easier and more convenient.