Originally Posted by
weekilter
If you want a decidedly non high-tech way to store SIMs re-purpose a case for gel breath strips that can hold several SIMs. Plus your SIMs can now smell minty fresh as well!
I have been doing exactly that for at least 3 or 4 years and it has served me well. Interesting to come across others doing the same.
It can be a little difficult to get them out if overstuffed so I try not to keep more than four in such a case.