"I haven’t used these as earring backs yet, but I’ve used them to help badge pins from falling off their safety catches. They seem to work, so if badges unhook it seems to stop it from sliding off the item you’ve got it attached it to. I would periodically check on your badges, just to make sure, but overall I feel better have my badges a bit more secure!"
100 Silicone Earring Backs - Stoppers Ear Nuts - Cylinder - 4mm x 3mm - J109822