... and ended up taping them with clear packaging tape to a cut-up Ziploc bag to make this:
I've taken a picture of it from all angles: the colourful side is the front, the white side is the back, the top center picture is a row of tabs at the bottom, and the bottom center pic is the bag inside. I have been collecting these tabs for (litterally) years, not knowing why I was doing so, just knowing it needed to be done. And this is what I ended up with.
But now, at least, I have a stellar little baggie which is the ideal size for things like dpn's, stitch counters, granola bars, and who knows what else. It's madness.