3 in 1 College Style Casual Backpack Student USB Charging Backpack

1. Material: polyester
2. The shoulder straps can be adjusted according to different height needs
3. Strong and durable, comfortable to touch
4. Smooth zipper design, easy to use
5. With USB charging port, convenient to charge anytime and anywhere
6. Water-repellent fabric, strong and durable
7. Enriched functional areas to meet daily needs
8. Dimensions: 32x18x42 cm; 20x5x23 cm; 18x1x10 cm
9. Weight: 460 grams