Watertight (with TiZip) - Our highest level of waterproofing. Lightweight - uses one set of LinQ fasteners. Expandable 9 to 30 L (2 - 6 US gallon, 550 - 1 831 cu in) capacity. Improved Shovel Holder System. Allows to store LinQ Removable Snowflap between the bag and the cover lid (snowflap must be facing up to not hide rear light).