The All-Purpose Travel Backpack is built with water resistant ballistic nylon, so you never have to worry about those rainy days ruining all of your essential belongings. There are two main interior compartments — one padded compartment that can hold up to a 19" laptop, the other provides enough rooom to store your books, binders, files and folders. Spine Saver padding includes, shoulder pad shock absorbers and a back airflow system. This All-Purpose bag is perfect for moving betwen classes, roadtripping, hiking, or traveling the world.