Backpack is the general term for backpacks carried on the shoulders. According to different uses, backpacks can be divided into computer backpacks, sports backpacks, fashion backpacks, student backpacks and shoulder straps, military backpacks, mountaineering bags and so on.
A suitcase refers to a suitcase with a pull rod and rollers. It is widely used because of its convenient use. At the same time, the suitcase also has a pull rod for the box, which can be divided into single-tube pull rod and double-tube pull rod. The tube of the pull rod can also be divided into square tube and round tube, which is convenient for dragging when walking and greatly reduces the burden.
Traveling abroad, luggage is a must-have item. Many friends have a lot of problems with their suitcases after they have not been used for a long time, and they will complain about the poor quality inside the suitcases. When using the suitcase, pay attention to prevent high temperature, strong acid and alkali, and your suitcase will be deformed under high pressure.