New Expandable Waterproof Multiple Layer Backpack

Source category: Spot goods
Bag size: Big
Capacity: 36-55L
Package internal structure: Zipper pockets, mobile phone pockets, document pockets, interlayer zipper pockets, computer pockets, camera pockets
Material: Water repellent film
Features: Breathable, waterproof, wear-resistant, USB charging, shock-resistant, capacity expansion, load reduction
Lining texture: nylon
Number of shoulder straps: double root