12L capacity, 15L expanded 34cm L x 29cm W x 18cm H, 23cm H expanded (13.4" H x 11.4" W x 7.1" H, 9.1" H expanded) 1200D nylon Waterproof zippers Reflective piping Rain cover Shoulder strap Media ports Integrated GPS/map holder Safety lock Reinforced corners Requires the Specific Tanklock Ring for your application (sold separately)