This versatile computer bag on wheels is really 2 bags in one. The expandable compartment has both a folder divider, with the option to open the bag completely flat in the middle. Plus a removable sleeve that fits up to a 17" laptop. The computer sleeve has removable carry handles and a shoulder strap, making it functional on its own. A built-in USB port keeps you and your devices on the go, no matter where you are. See this as an office on wheels Powerbank sold separately.