The durable Duluth Pack Standard Book Bag is large enough to hold everything you will need for a day of classes, and still have room for your lightweight fleece jacket and homework. The adjustable shoulder strap makes this bag more practical to carry from class to class than any other bag. When loaded, it hangs nicely over the back of a chair or slides under your seat. Fold over top flap is secured with two leather straps and high quality roller buckles. All book bag models come with interior pen and calculator pockets. From grade school to grad school, this handy book bag will help with the burdens.