Men's Backpack Retro Travel Bag USB

Product information:
Pattern: solid color
Lining texture: Polyester
Color: gray, black, wine red, purple
Functions: Waterproof, wear-resistant, anti-theft, anti-seismic, expansion, burden reduction, anti-cutting
Material: Oxford cloth
Bearing system: Curved shoulder strap
Capacity: 20-35L
Backpack size: 46*30.5 * 12.7cm