Abstract: In one form of the invention the container is provided with impervious double wall all around forming a compartment with an intake for inflating the double walls and a quick release for deflating at will, and a sleeve on an open end of the compartment which can be folded so as to completely seal the compartment between the double walls, and fastening means such as a zipper or twist clasp to fasten the sleeve in sealing position; at least the inner walls of the double walls are stretchable so that when inflated they conform to part of the contour of the article, such as a camera, solidly and also sealing it against any substances such as water or dirt; the inflated bag is bouyant; in another form of the invention, the shape of the container is elongated to fit in a vessel such as a canoe or the like and one side of the container is flexible but single-walled and impervious to fluid and the other side is a double wall inflatable as in the first form of the invention and is provided with a sleeve to seal its ope