Overboard 30 litre dry tube bag description featuring our easy and trusty fold seal system and a seamless welded construction water and dirt dont even get a chance as this dry bag is 100 percent waterproof and if it does end up overboard you can safely dunk it before it neatly floats to the top weve made this waterproof dry bag of nylon coated pvc tarpaulin so its super sturdy and wipes clean easily meaning you can take it on your active adventures without ruining its good looks as if al