The waterproof GIVI Inner Bag is designed for use with TREKKER OUTBACK (OBK37) and TREKKER DOLOMITI 36, offering a 35-liter capacity. This versatile bag can also be utilized as a tail bag or mounted on the top case lid. It comes with elastic straps for secure attachment, and it can alternatively be fastened with the S350 TREKKER straps (not included). Ideal for keeping your belongings organized and dry during your motorcycle journeys, the GIVI Inner Bag is an excellent addition to your gear setup.