This kind of School Backpack is made of top quality Polyester with exquisite craftsmanship, which features waterproof. It has a wide mouth zipper opening, which enables easy tool case from the center pocket. It holds 6 external pockets, 3 internal pockets with air cushion belt, making it can store more items. All details are carefully treated to ensure long using life and high quality. It uses thickened lining, which is wear-resistant and effectively prevents puncture of sharp objects. What’s more, the design of the shoulder strap conforms to the concept of ergonomics, and it is not easy to be tired after carrying it for a long time. It also has the properties of delicate design, large capacity, breathability, wear resistance, tear resistance, durability and high cost effective. It is very popular with our clients worldwide.