I have 32 of these small pots, ideal for collecting dust in.  If you think that's ridiculous then you should probably spend more time in the build diaries thread!  They are about the same size as 35mm film canisters, maybe a little smaller, but the cap has a dessicant in to help keep the contents dry.  They are the canisters that blood test strips for diabetics come in, and I get through a pot of 50 in about 12 days. I'll post them in batches of eight, as they are too thick to post as let