Foldable waterproof backpack

Bag size: medium
Capacity: below 20L
Internal structure of the bag: zipper pocket, mobile phone bag, ID bag, sandwich zipper bag, computer pocket
Opening method: zipper
Applicable gender: neutral / male and female
Material: Polyester
Function: breathable, waterproof, wear-resistant, anti-theft, anti-seismic, lighten
Processing method: printing
Hardness: Medium
pattern: plain
style: Casual
Lining texture: Polyester
Strap root number: double root
Popular elements: folding
Lifting parts: soft handle
Type of outer bag: inner patch bag
Bag shapes: square vertical section
Carrying system: air cushion strap