Ok, let's be honest - - 1mm opening cannot be guaranteed. So you end up with a bunch that you probably won't be able to use. Personally, I used 0.08mm elastic yarn. A smaller wire will likely work for more of these beads. But the colors are nice and I like the individual tic tac boxes where the colors are separated. I plan on reusing them so it's worth getting the set yourself to keep your beads in order. All in all I am very happy with these beads!
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