School backpack

Package internal structure: ID bag, mobile phone bag, laminated zipper bag, computer pocket, camera pocket
Opening method: zipper
Applicable gender: neutral / male and female
Material: Nylon
Function: Breathable, wear-resistant, burden reduction
Lining texture: polyester
Strap root number: double root
Popular elements: car suture
Lifting parts: soft handle
Outer bag type: digging bag