Heal yourself and heal the Earth when you wear these Earth Play gem stud earrings! These luscious Amethyst gemstone studs make a unique addition to your everyday wardrobe as well as a perfect gift for any nature loving individual or February birthday. These earrings are all bonded to hypoallergenic stainless steel pushback studs. Each one of Earth Play's pieces are guaranteed to be unique, as they are crafted in the moment and inspired by the natural elements in hand. That being said, some items may differ slightly from the images. About - Sizes: Range from 8mm-18mm (as available)--case includes a variety of sizes. If you're looking for a particular size, send us a message. - Materials: hypoallergenic stainless steel flat back studs - Stone properties: Strength. Courage. Peace. 1$ from every unit sold will be donated towards Earth Play’s conservation of the month! Thank you for your support!