open top container (open top container) does not have a rigid box top, but has a collapsible top beam supported by canvas, plastic sheet or coated fabric of the canopy, the top is covered with waterproof cloth when loading, and its watertight requirements are the same as dry cargo boxes, can be loaded and unloaded from the top of the box by a crane. It is suitable for loading large and tall objects and heavy objects that need to be lifted, such as glass plates.