A 8mm genuine drop Swarovski Crystal that hangs on our medical grade titanium 14mm safety ear rings. What is medical grade titanium? Only the safest metal on the planet! The FDA approves medical grade titanium for use inside the human body, so earrings are easy for this metal. These are true nickel free earrings that are cute, comfortable and completely safe! Available in four colors! Crystal, Alexandrite, Black Diamond, and Golden Shadow.