This Sling Backpack is a good size for your elementary school students, but also has lots of fun features for adults! Made from 600D polyester and 420 nylon dobby, the Sling Backpack measures 18" high x 12 1/2" wide x 6" deep. Features include a built-in slot for ear buds, front zippered pocket, zippered main compartment, adjustable padded shoulder sling with mesh pocket (use if for a cell phone!), and web carrying handle. Your choice of a one-color imprint will be silk-screened on the front location as shown. Sling Backpacks are great for everything from student awards and school store bags to Teacher Appreciation gifts or volunteer gifts.