I have had the blue-to-pink version of silica gel in this case along with me during field work in tropical forests (also just the raw silica as I think I mentioned) but never had one of these in with cards. The cases are pretty tough and I think this would probably work well for you.
Quote:
Originally Posted by the 'stache
Do any of you guys use these? I figure that this is a completely contained unit, so no need for a Tupperware container, and no batteries. They seem to get some good ratings, too. |