Aluminum Foil Containers: our aluminum foil containers are disposable and can be used to store and serve food. aluminum containers made of aluminum foil keep in the heat, act as a freshness barrier to moisture and oxygen, and can be recycled. They come in 10, 20 Sets with Lids, or as a 1000 Pieces Cartoon with or without the Lid. Ideal for Oven Usage, or even to store food in the Freezer or the Fridge.