Large capacity waterproof backpack

Bag size: medium
Capacity: 36-55L
Internal structure of the bag: computer pocket
Opening method: zipper
Applicable gender: Neutral / men and women
Material: Nylon
Whether with a lock: No
With or without rain cover: None
Function: waterproof, breathable, anti-theft, wear-resistant, lighten, shock-proof
Processing methods: soft surface
Hardness: medium to soft
pattern: plain
Lining texture: polyester
Types of accessories; backpack shoulder pads
Strap root number: double root
Lifting parts: soft handle
Type of outer bag: three-dimensional bag
Bag shapes: square vertical section
Scene; outdoor

Color: red, green, blue, black, orange, dark blue