Men's Belt Password Lock Business Backpack Scalable Backpack

Product information:
Lining texture: Polyester
Applicable scenarios: Business travel
Color: Black airbag type, black airbag type air pump
Applicable gender: neutral/both men and women
Function: Storage
Material: Oxford cloth
Bearing system: airpillow straps
Popular elements: sewing line
Style: business elite
Capacity: 20-35L