The overboard waterproof dry tube bag 20l keep water sand and dirt away from your prized possessions with the overboard 20 litre yellow dry tube bag a perfect medium size for clothes and smaller valuables thanks to welded seams and our trusty fold seal systemtrade this 100 waterproof dry bag is suitable for quick submersion and even floats when dropped in water overboard waterproof dry tube bag 20l features 100 waterproof dry bag class 3 ip66 floats safely if