I have one of these, and have used it for years, same principle, and one of the first dry bags made. Go for it.
http://www.aerostich.com/bags/seat-b...ffel-bags.html
I have one of these, and have used it for years, same principle, and one of the first dry bags made. Go for it.
http://www.aerostich.com/bags/seat-b...ffel-bags.html