A container refers a hollow object used to contain, store, and transport products. A container can be made by many different materials such as glasses, metals, plastics, ceramics, woods, and cardboards. Bottles, cans, cartons, boxes, baskets, and bags are among most commonly found containers.
Containers may have many different shapes from more general purpose rectangular and cylindrical shapes to custom shapes that fit specific products. The sizes of containers may vary from finger tip size to 20-foot cargo container to ship or building size.