Made of Water Resistant and Durable Oxford Fabric with metal zippers.Can hold 15.6 Inch Laptop.One spacious packing compartment roomy for daily necessities,tech electronics accessories.Comfortable soft padded back design with thick but soft multi-panel ventilated padding, gives you maximum back support.Adjustable shoulder straps relieve the stress of shoulder. With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge
