18 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. Water-repellent Oxford fabric: 1680D double-strand Oxford fabric, wear-resistant, strong and environmentally friendly.
3. Large capacity design: Large capacity multi-compartment storage design, reasonable partition, can accommodate more items.
4. Say goodbye to weight and liberate shoulders: It can be embedded in a trolley case. When you don't want to carry a backpack, you can travel with a trolley case to liberate your shoulders and travel long distances easily.
5. Comfortable and unburdened: decompression and breathable back panel, buffering and shock absorption. S-shaped widened and thickened breathable shoulder straps, the load-bearing feeling is reduced by 20-50%.
6. Comfortable hand-held: According to ergonomic design, comfortable decompression.
7. Shoulder strap reinforcement: The shoulder strap force position is reinforced with thick line return, which is strong and durable.