Noblag travel laptop backpack anti-theft usb charging port 。Pack all of your gear in this full-featured Noblag travel laptop backpack. This backpack is made from durable 1200 D ballistic polyester and is equipped with anti-theft double wire system, USB charging port interface, headphone port setting free your hands, a theft proof combination lock, large opening compartment padded with sleeve for laptop, adjustable side compression straps,padded shoulder heavily padded back panel with airflow ventilation technology. Dimension is 19\" x 11.5\" x 4.5\".