Holds 12 SD cards in one case; There are four cases. The cases are easy to open and close, and in the unfolded position, all 12 holes are up. Untangles the millions of those little plastic card sleeves (or worse, just loose cards) dangling in a drawer. The only drawback are the very lousy paper labels. They have some kind of coating or surface that doesn't accept ink well, and they smear too often even when you think the ink has dried. Too bad LabelOnce doesn't create labels in the right size.
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