I've never liked keeping stuff in film cans. The tops pop off too easily. Countycomm has some $1.00 screw-top gasketed plastic match cases about the same volume (taller but narrower) as a film can. Those seem good for stuff like this. I posted a "review" a month or so ago--yeah, found it:

http://www.equipped.org/ubbthreads/showflat.php?Board=campfire&Number=56209