Drago Gear Atlus Sling Backpack Sling strap configuration with breathable padding and a quick release buckle Comfortably fits up to 17" laptop computer Internal 4-channel elastic organizer ID Card window Water bladder compatible Sling strap configuration with breathable padding and a quick release buckle Comfortably fits up to 17" laptop computer Internal 4-channel elastic organizer ID Card window and concealed-carry compartment Water bladder compatible