Large Capacity Cross-border Multi-function Expansion Waterproof Charging Portable Backpack

Product information:
Lining texture: Polyester
Color: black, dark gray
Processing Method: soft surface
Outer bag type: Sandwich pocket
Accessory type: shoulder padded backpack
Material: Oxford cloth
Popular elements: sewing thread
Number of shoulder straps: double connector
Lifting parts: soft handle
Applicable gender: neutral/both men and women
Applicable occasions for gifts: travel commemoration
Function: breathable, waterproof, wear-resistant, anti-theft, USB charging, anti-seismic, expansion, burden reduction, anti-cutting
Hardness: soft
Suitcase shape: square vertical model
Size: 19 inches
Bag internal structure: zipper replacement bag, mobile phone bag, file bag, sandwich zipper bag, computer bag, camera bag
Bearing system: air pillow belt
Style: business commute
Capacity: below 20L
Scenario: Travel