Product benefits

1. The sizes, colors, or materials of the outer bag can be changed according to the needs of the task.

2. The user of this work outside the bag can fix the contents in different bags according to a single day, and save time for sorting.

3. Items could be organized, easier to access.

4. The bag is more breathable, not making the user sweat.
5. Hook-style shoulder straps, umbrellas, crutches, or water bottles can also be hung together, allowing users to reduce the burden on their hands.