1. Large capacity, 10cm expansion, can hold a 15.6 inch laptop computer
2. Password lock design, better protection of the contents of the bag
3. External USB charging port, connecting the charging battery (not included) inside the bag can be convenient for charging mobile phones and other mobile devices when travelling
4. Hard shell design protects the contents of the bag from any impact and makes it lighter to carry
5. Convenient luggage strap design for attaching the bag to a trolley case
6. Water-resistant material effectively prevents rainwater from wetting the contents of the bag, keeping it dry and comfortable
7. Comfortable shoulder strap, length can be adjusted freely
8. Material: PC
9. Size: about 48 x 32 x 12cm
10. Weight: about 1.6kg
11. Note: only the bag, not include others