Functional: Hybrid (Backpack/Duffle Bag/Crossbody Bag/Travel Bag) conversion. Can be used several different ways. Its Humanized design makes it can be used at business trip, daily work, college, occasional travel and so on. ^^ Dimension and
Large Capacity: Approx 18.1"H x 12.2"L x 6.3" W;
Weight: 2.3 lbs. Large laptop backpack owns 8 independent pockets can accommodate lots of stuff like college supplies, travel accessories, clothes, shoes, stationery, notebook, card organizer.
^^ Material: The laptop backpack is made of good environment-friendly oxford fabric with new function of water-repellent, which is quite durable.
^^ USB Port: Built-in USB PORT is convenient to charge your cell phone by the connected power bank (POWER BANK is not included).
^^ Comfortable: This practical backpack with a foam padded top handle for long-time carry on. Comfortable back design with thick but soft multi-panel ventilated padding, gives you maximum back support. Breathable padding shoulder straps for a more comfortable fit, relieve the stress of shoulder, A well-knit luggage strap allows backpack fit on luggage/suitcase, slide over the luggage upright handle tube for easier carrying.