Primary School Sudents Backpack 6-12 Year Kids Schoolbag

SiMaterial: Nylon 

Capacity: 20-35L
The internal structure of the bag: ID bag, mobile phone bag, sandwich zipper bag, zipper pocket, computer pocket, camera pocket, opening method: zipper
Function: Waterproof, breathable, anti-theft, abrasion resistance, load reduction, shock resistance
Strap root number: double root