3 In 1 Travel Backpack Student School Bag USB Computer Backpack, light Grey, Blue, Black, Pink

1. Material: polyester
2. Way of opening the bag: zipper
3. Capacity: can be put in mobile phones, snacks, cosmetics, personal belongings, etc.
4. The triangle bag is connected to the body, and the bearing capacity is stronger
5. Smooth zipper, compact teeth
6. The shoulder strap adopts high-quality square buckle, which can be adjusted in length at will
7. There is a USB interface design on the side
8. Comfortable shoulder strap, shock absorption and load reduction, easy travel
9. Reflective strip design to protect night travel
10. Weight: about 350 grams
11. Dimensions: 18x10x0.5 cm; 20x21x5 cm; 29x40x15 cm