These Spinning Jewelry Trillion Amethyst Studs are made from Solid Sterling Silver with a Trillion Amethyst Feature in each one. Simple yet Stylish they are appropriate for any occasion & form a stunning complement to any outfit. They also come complete with their very own Spinning Jewelry Presentation Gift Box. Please note, this item is only the earring studs shown in the single piece picture. However, the other items from the combination picture are also available both on the website & in-store. The earrings are attached using standard butterfly backs.