The Dowco Rally Pack Tank Bag is constructed of water-resistant, 1680 Denier Polyester. This bag is great to keep smaller items in while you ride like cell phone, wallet and keys. The easy to use multi-magnet design and strap mounting system will work with virtually any tank setup. The non-skid base and straps ensures a firm tank position and zero abrasion to the tank. The bag also features a sewn-in rain hood, a full length viewable map pocket and 10 Liters of capacity.