Watershed is the best I've ever used. It worked in Alaska when a boat flipped and was pinned upside down for two nights and almost two days. Camara equipment in the watershed bag was bone dry. Every other bag, box and cooler had a couple inches of water logged sediment.
I haven't personally had a flip yet while using my bags (last one was in 9
, but I still have the two original brown ones from 1999.
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