The back bag has a large volume, and everything is packed in. It is not easy to distinguish and time-consuming when picking up. It’s best to prepare a few more plastic bags. Except for the things that you need to use frequently on the road, everything should be sorted into small bags with plastic bags, and then put in the back bag. It will mess up. Secondly, even if it rains on the road, you don’t worry about items getting wet (especially batteries, medicines and other items. At least one set of clothing and one package of dry food in a plastic bag). In addition, there is a kind of The stretchable cotton bag contains easily damaged items. This kind of bag can be sewn from old clothes.