One Direction Large Autographed Limited Edition Book/Laptop/Messenger Bag Black, easy to clean fabric body Big spacious and sturdy bag measuring 15.75 X 11 X 4 with removable, interchangeable design flap. Several designs are available for purchase so you can change the design anytime. 1 bag-10 designs! Three big compartments with middle interior zipper compartment, 2 flapped pockets and pen slots. Adjustable shoulder strap with rubber pad for comfort.