Jetpilot Venture 10L Waterproof Bag - BlackJetpilot Venture 10L Waterproof Bag The 10L Waterproof Bag is the duffel shape sibling to the 10L Drysafe Backpack same volume, same dry storage performance, but in a wider mouth duffel cut instead of a backpack with straps. The trade off is access: you pack and unpack this faster than a backpack, but you carry it by hand or short strap rather than on your back. If most of your trips involve boat deck to shore side moves rather than long walks from a