Will those clear "stamp envelopes" tone coins?

You know... those wax paper type envelopes. Will they tone coins? I know that quite a few people here have coins stashed all over the house in some form of storage to facilitate toning. I was just wondering if these "stamp envelopes" will do this as well. I'm not a stamp collector, so I don't know the term for those things.
I have icon envy.
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