Capacity： 20-35L

Package internal structure ：  ID bag, mobile phone bag, laminated zipper bag, zipper pocket, computer pocket
Opening method ：  zipper buckle
Applicable gender ：   neutral / male and female
Material: Canvas
Function; wear-resistant, lightening, shockproof
Model; backpack
Processing method
Hardness ：  medium to soft
pattern: plain
Style; retro style
Lining texture; cotton
Strap root number: double root
Popular element
Lifting part
Outer bag type ：   three-dimensional bag
Bag shapes: square vertical section
Carrying system ：   curved shoulder strap
Color ：   black, khaki, military green, brown, gray