The overboard waterproof dry tubr bag 30l for the person who has everything and needs to keep it all safe and dry from the elements our 30 litre waterproof black dry tube bag is the perfect solution featuring our easy amp trusty fold seal systemtrade and welded seams water and dirt donrsquot even get a chance as this dry sack is 100 waterproof and if it does end up overboard you can safely dunk it before it neatly floats to the top overboard waterproof dry tubr bag 30l featrues nb