17 Lt capacity backpack. It has 1 main compartment with external M. O.L. L.E. system and Velcro patch. Capacity of 17 LTMade of resistant and water repellent material1 main compartmentCarrying handleShoulder StrapsM. O.L. L.E. system2 front pockets2 side mesh pocketsInner organization and laptop compartment Beretta 17L Green Stone Tactical Daypack BS023001890707UNI