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 free. 3 IN 1 Carrying On Backpack: Come with an adjustable and removable shoulder strap, can be used as a duffel bag. Good choose for a travel backpack, laptop backpack for men, work backpack, office work bag for men and women. Dimension & Large Capacity: L: 12 x W 8 x H 23 INCH/ L: 30.5 x W 20.3 x H 58.4 CM; Weight: 1.88kg(4.14lb); Can hold your 17 inch laptop, 2 sets of clothes, shoes, water bottle, umbrella. Product descriptions: Materials - Made of high qualiti nylon with polyester lining. Multifuntion backpack: Backpack, Duffel bag, Tote bag Target group - This bag is suitable for men etc. Applicable Occasions - This backpack travel duffel bag good for casual, date, travel, vacation, outing,commute and other daily use. Large Capacity Bag - Can hold your 17 inch laptop, 2 sets of clothes, shoes, water bottle, umbrella and other everyday items. Travel Duffel Backpack Structure: 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. 2. Please confirm the size according to our description. Delivery content: 1x men travel backpack 1x detachable shoulder strap This bag only for adult.