Coolbell CB-2038 15.6″ Black Nylon Laptop BagCOOLlBELL CB 2038 15. 6 BLACK NYLON LAPTOP BAG PRODUCT DESCRIPTION: Backpack style Comfortable back strap system, easy and convenient to load on your back. Shoulder bag style One back pocket for hiding the back straps, A removable Shoulder strap been include, when you use it as a shoulder bag. Messenger bag style One back pocket for hiding the back straps when you use it as a messenger bag. Construction Two main compartments designed for keeping