Your teachers rock, and so does this teacher appreciation messenger bag. It comes with a pre-printed "I Teach, Therefore I Rock" design, which makes it easy for you to express your thanks to an amazing teacher at your school. The 600D polyester bag measures 12" high x 14 1/2" wide x 4" deep and includes an adjustable shoulder strap, a front zippered pocket, a side mesh pocket (perfect for holding a water bottle), a side pocket, a front flap with hook and loop closure, and 2 front pockets inside the flap. Spot clean and air dry.