Camping supply stores also sell similar canvas collapsable bag. I think one of them is Camphor (not sure the spelling). REI may have this ,too.

: Mick, the collapsable bag looks like it would hold a heck of a lot of water
: and Tony you have a good idea but I already have my two, like new French
: army surplus collaspsable canvas buckets for $10. I go army surplus when I
: can because of the great quality and low prices. I still use my field wire
: plyers all of the time that I had in 1953 in the army and they are as good
: now as they were then. I am sold on real army surplus, not the knock offs,
: for the best quality you can get.

: John