Maintenance common sense of backpack:

first: Don't carry it all the time. If you are doing a long exercise, you 'd better not choose to carry your backpack for a long time, it is not good for your health to carry it for such a long time. Try to carry it after an hour or two, and then carry it back, so that you can treat your bag with work and rest, it can extend the life of your backpack to a great extent.

Second: Let your bag see the sun frequently, and don't keep it in the room without outdoor sports. Without the moisture of the sun, your bag may be moldy, and at the same time there will be some peculiar smell, which makes people feel very uncomfortable. Besides, you have to carry it, so, you might as well take out your love bag for a sunbath and give it some sunshine?

Third: try to avoid a large amount of friction. In the process of using, it is inevitable that you will encounter some wear. This is not to say that you cannot wear, but try to reduce the damage caused by wear, to do less wear and more care. Try to avoid the place where the friction force is large or the surface is not smooth to use. If you must use it, you should also keep an eye on it. You must never carry out positive friction.