Suzuki Genuine Accessories. Durable nylon tank bag affixes to the tank with a snap-on ring. Bag removes with a simple pull of the release cord. Bag includes a rain cover and shoulder strap for convenient carrying. Detailed Specifications: Large-size bag expands from 11 to 15 liters (2.9 to 3.9 gallons). Optional Map Case (P/N 990D0-04605, sold separately) attaches easily and features a transparent front for easy reading. Note: Bag requires Ring Mount (P/N 990D0-04100) and Ring Mount Adapter (P/N 990D0-04610), both sold separately. Suzuki Genuine Accessories P/N: 990D0-04600.