large backpack for school

1.Body Material: This backpack is made with  wear and water resistant  nylon fabric .

2.Lining: good quality smooth polyester materials

3.Structure:well-organized . Three front zipper pocket. One main pocket One back zipper pocket. Two side pockets.

4.Capacity: large capacity,can hold one 15.6 inches laptop,bottle,umbrella.

5. With outer USB connector for charging your power bank and phone