Recycled Fabric Material: This travel backpack is made of high-quality sustainable nylon fabric, which can reduce energy and pollution. Black polyester lining, soft decompression foam. High quality zippers. Backpack Structure-Multi Pocket Design: 1 main top U shaped zipper pocket with 2 open pockets, 1 charging pocket, 1 large zip pocket, 1 laptop pocket and ipad pocket inside; 1 front medium zip pocket; 1 front large zip with 5 open pockets and 2 pen pocket inside; 1 bottom zip pocket; 1 side mesh pocket; 1 zipper pocket on the back that hides the backpack strap. Convenient USB Port and Headphone Port Design: With built in USB charger and headphone port outside and built in charging cable inside, great convenience for charging your electronic items via connecting your own power bank. Offers you a more convenient way to charge your phone and listen music on the go with hands release. Multifunctional Carrying On Backpack: Come with an adjustable and removable shoulder strap, can