Originally Posted by
Boogie711
The ghetto and almost-free solution?
I just use the plastic holders that memory cards came in; I've got a bunch running all the way back to full size PCMCIA and all the way down to microSD with the largest bunch being SD-card sized (since most microSD come with an adapter, even today.)
Work great for holding SIMs of any size, and the small microSD-only size ones are particularly nice and thin, will hold 2-4 microSIM cards without a lot of rattling.
If you've bought many memory cards, this is free. Probably not worth it to buy separately (e.g.
http://www.amazon.com/Bluecell-Plast...=micro+sd+case although the specific style there isn't as micro/nano-SIM-card friendly as the wider/squarer one that the last Sandisk cards I bought came in.