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. Multi-pack design, can classify and store objects when going out
8. Built-in 15.5-inch computer bag, and multi-layer subdivision pockets, large-capacity storage
9. Weight: 0.5kg
10. Dimensions: 43x31x14 cm