EVA hard shell boys and girls school backpack bag1

Product Name: EVA hard shell boys and girls school backpack bag
Product Size:38*29.5*15.5cm
Feature: 
1.PU lattice material compound with EVA, 210D PU lining

2.Leather composite EVA; Back piece with knitted fabric lamination; Inner linning 210D PU;  Front pocket is hard shell with shape EVA; Side EVA has a shape

3.The whole bag is a three-dimensional shape with an adjustable shoulder strap