I really liked the malachite studs, but the stones fell out after a few wears. I wrote Boma Help and they told me they are NOT WATERPROOF, which I did not see on the website. They said sorry, but I'm out of luck, no replacements. They also sent me cubic zirconia instead of the opal dots I ordered, and when I asked about that, they said they were out of the opal but I could return the ones I got for different ones--basically they sent the closest type they had hoping I wouldn't notice. Not exac...