Pomelo 925 Sterling Silver Front Back Shell Based Pearl Zircon Tribal Earrings Stud Size: 8mm Front, 16mm Back Material: 925 Sterling Silver, Nickel Free, Shell Based Pearl,Zircon Elegant 925 Sterling Silver Front & Back Tribal Fine Earrings With Shell Based Pearl Care: Please avoid exposing it to household chemicals or chlorinated water as it will damage silver. Earrings are sealed and sterilized in individual packages.