1. It has sufficient strength and can be used repeatedly for a long time
2. It is suitable for transporting goods by one or more modes of transportation, and there is no need to flip upside down on the way
3. It is equipped with a quick loading and unloading device, which is convenient to transfer from one mode of transportation to another
4. It has an internal volume of more than 1 cubic meters
5. It is convenient to fill and empty the goods in the box.