The Otis backpack takes after the Frankie pack with even more volume. This travel or school pack sits upright on the padded bottom panel ready to be loaded up with a laptop in the padded compartment, books or travel necessities in the roomy main compartments and all your accessories organized and at your fingertips in the zippered front compartment plus a fleece-lined pocket for your sunglasses. You'll never have to leave anything behind with this comfortable roomy pack. Features: Adjustable sternum strap, fleece lined sunglass pocket, organizer pocket, water bottle slip pocket, padded bottom panel, limited lifetime warranty. Dimensions: 1830 Cubic inches (30 liters), 19 x 9.5 x 9'' (48 x 24 x 23cm). Material: Polyester.