SJ02 13-15.6 inch Universal Large-capacity Laptop Backpack with USB Charging Port(Black)

1. Large-capacity design, reasonable space design, and the capacity has a degree of arc, making travel worry-free2. Comfortable shoulder straps, decompression and ventilation, high-density sponge can effectively relieve the pressure on your back3. Back tie rod belt design4. External USB charging port, charging while playing with the phone5. Fashionable casual zipper, two-way design, more convenient to use6. Fashionable fitting hardware buckle, wear-resistant and anti-oxidant, easy to open and close7. Material: waterproof nylon8. Size: 45 x 30 x 16cm9. Weight: 650g