1.Body Material: This backpack is made with very light nylon material.Designed for youthful   travelling and easy for working.Water resistant material help you go out freely.

2.Lining: good quality polyester materials

3.Structure: Soft structure. Zipper Closure with one slip zipper  pocket outside. Two side pockets.one internal slip pocket.

4. With outer USB cable connector so that you can charge your power bank and cellphone

5.Capcity: can hold one 14inches laptop.