12mm Heart Shaped Mermaid Scale Stud Earrings on Plastic Post
Click on my store name Pretty Smart for more color choices.
The back of the cabochon is plated with a thin metal foil that creates it's sparkle. It would have to be removed in a metal free environment including some medical procedures.
Pretty Smart earrings are not intended for children. Choking Hazard - Know that the earrings can be removed and they could becoming a choking hazard if they are put in the mouth.