These are the catgold oyster earrings. The oystershells and catgold are collected on my mermaid journeys in the archipelago of Gothenburg. They are rose gold plated coated with resin to give the shells maximum longivity.
The hooks are made out of 1,0mm copper wire, copper does not withold nickel wich makes it suitable for the wearer that has skin allergies.
More about copper: Copper withold animicrobial properties by effectively killing bacteria, viruses, and fungi by disrupting cell membranes, damaging DNA/RNA, and creating oxidative stress through released ions, often eliminating over 99% of microbes within hours on its surface.