Roomy main compartment with large u-shaped zippered opening</br>Expansion zipper adds approximately 3 inch of depth for added capacity</br>16.75x12.75x8</br></br>Product Description</br></br>Enjoy three roomy compartments in this expandable backpack perfect for carrying textbooks, overnight clothes and more </br><br/>http://www.amazon.com/gp/product/B01AS4B7LS