$1.18│500 piece
First of all, for people who have a lot of stuff on the go, it is very important that the backpack can be stored properly. Not only does it distinguish your stuff by function, it also keeps it organized.
Secondly, for people who go out a lot and have a lot of luggage, a backpack can help to reduce the load
Thirdly, for people who travel or travel on business, it is very likely to encounter rainy days without an umbrella. In order to protect the items in your backpack from getting wet, it is recommended to choose a shoulder bag with a fabric that is water-resistant, so that the rain will not soak the items inside the bag and can be wiped off with your hands