1. Material: polyester
2. The shoulder strap is adjustable, convenient and practical
3. Hardware double zipper design, easy to open and close, durable
4. Comfortable and portable
5. USB charging design, easy to use when going out
6. Breathable heat dissipation, comfortable to carry, effective cooling
7. With trolley straps, the backpack can be hung on the luggage for long trips
8. Built-in 15.6-inch computer bag, and multi-layer subdivision pockets, large-capacity storage
9. Weight: 0.77kg
10. Dimensions: 28x16x42 cm