Nelson-Rigg CL-903 Black Expandable Tank/Tail Bag Made from top quality UV-treated Tri-Max nylon with reflective piping, this larger sized bag comfortably fits on most tank or tails via strap mount and is perfect for touring Features a convenient map pocket, adjustable shoulder strap/tether strap and heavy-duty zippers with pull fobs Protective material holds the bag firm without slipping or marking bike and the fully expandable compartment holds most full face helmets Includes a lifetime "no hassle" warranty and a 100percent waterproof rainstorm cover Main compartment measures: 14 inch length x 9 inch width x 8 inch height standard/14 inch length x 9 inch width x 12 inch height expanded and holds 16.52 liters/24.78 liters expanded