Large capacity backpack children's school bag

Applicable gender: neutral/male and female
Material: Nylon
Capacity: 20-35L
The internal structure of the bag: zipper pocket, ID bag, sandwich zipper bag, computer pocket, camera pocket
Opening method: zipper buckle
Function: breathable, waterproof, wear-resistant, anti-theft, anti-vibration, lightening
Strap root number: double root
Size: width 28cm*height 40cm*thickness 13cm