DennisS
Contributor
I've tried otter boxes and roll up dry storage bags, they work to a degree but usually leak somewhere along the line. I really like this container "O" ring seal and screw in top. Bass Pro had them on sale for $5 each, I bought two. It's a one quart capacity to give an idea of size.
http://www.boatersoutlet.com/browseproducts/Bailer-Bucket---Dry-Storage-Container--Quart-Size.html
http://www.boatersoutlet.com/browseproducts/Bailer-Bucket---Dry-Storage-Container--Quart-Size.html