EVA hard shell boys and girls school backpack bag3

Product Name: EVA hard shell boys and girls school backpack bag
Product Size:38*29.5*15.5cm
Feature: 
1.Leather composite EVA, 210D PU lining
2.600D composite EVA;Back pad of the back sheet of the cloth stitch;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