Just Stow-it Ultimate Messenger Bag is full of surprises. It has an outside zippered compartment. Covered corners to avoid spills. Hidden clips to carry your easel. A rear zippered compartment with multiple divisions. There is a reinforced bottom with rubber feet. A strap on the back allows you to slide theUltimate Messenger Bag over the handle of your rollerboard case. It includes a shoulder strap made of automobile seat belt material. And that's just the outside.