1. Oxford cloth is used for bag storage, which is firm;2. There are multiple storage Spaces. When on a business trip, multiple data can be stored, avoiding the prevention of disorder;3. It can be used as a belt, usb flash drive, pen and key for business trips and meetings.4. It can also be used to store bags to prevent cigarettes. 2W cash, bank CARDS, mobile phones and earphones can all be stored in one bag, which can save space and make it easier to find and get things at home.5. The overall volume is small and the space is large. The retro design conforms to the current aesthetic standards.