Waterproof anti-theft backpack

Upgrade：
* 108° opening and closing design
* Added digital compartment

ordinary:
1. Streamlined water repellent
2. USB external charging

Capacity 20-35L
Package internal structure ID bag, mobile phone bag, laminated zipper bag, zipper pocket, computer pocket
Opening method
Applicable gender
Material Oxford cloth
Function Waterproof, breathable, wear-resistant, anti-theft, lightening, shockproof