USB charging backpack Korean college student bag men's Oxford cloth computer bag casual backpack

Material Polyester Locked No No rain cover No Function waterproof Processing method matte hardness medium pattern solid color Applicable gifts occasions All places plus Style college style lining texture nylon Type of accessories Others Shoulder straps Double roots Popular elements Students Lifting parts Soft handles Types of outer bags Open-mouth bags Luggage shape Vertical square With or without tie rods No carrying system Curved shoulder strap Scene Travel Color Gray Standard Edition, Gray High Edition, Black Standard Edition, Black High Edition