Material: 600D PolyCanvas. The High Sierra Swerve 17" Computer Backpack has a padded interior computer sleeve that holds most laptops up to 17" with 4 compartments to provide ample storage. It features an organizer compartment with multiple pockets, a zippered mesh pocket with a key fob, and a pocket for your smartphone. Additionally, its side mesh pockets can accommodate water bottles of varying sizes. Comfortable padded shoulder straps.