19 inch Multifunctional Large Capacity Waterproof Double-Shoulder Backpack with USB Interface(Black)

1. USB charging design, plug and play: The backpack has a USB port on the outside. To use the charging function, you need to bring your own power bank to connect to the port inside the bag.
2. Humanized back design: The back is thick and soft, with high elasticity and shock absorption, and fast heat dissipation to make travel more comfortable
3. Large capacity and reasonable layout: Large capacity main bag + multiple combination bags, placed by category to quickly find things.
4. Trolley case fixing strap: It can be used with a suitcase when going out, freeing your hands, saving worry and effort and convenient travel
5. Water-repellent Oxford fabric: 1680D double-strand Oxford fabric, wear-resistant, strong and environmentally friendly.
6. Size: 32x20x47cm
7. Weight: 1.25kg