Product information：
Package internal structure ： Zipper bag, mobile phone bag, certificate bag, sandwich zipper bag, computer insert bag
Cover opening mode ： zipper
Applicable gender ： Both male and female
function ： Breathable, waterproof, wear-resistant, anti-theft, anti-seismic, load reducing
colour ： Black USB large, black regular large, black regular small
Types of outer bags ： Three dimensional bag
Bag shape ： Vertical square
Lifting parts ： Telescopic handle

Packing list： Backpack* 1