Men's Business Travel Computer Backpack Detachable Letter Backpack Large Capacity

Product information:
Pattern: solid color
Lining texture: Polyester
Applicable scenarios: Business travel
Color: elegant black
Applicable Gender: Male
Function: Waterproof
Material: Oxford cloth
Bearing system: Curved shoulder strap
Popular elements: sewing thread
Style: business commute
Capacity: 20-35L