• Surgical Stainless Steel • Nickel Free • Hypoallergenic • Length: Approx. 2.5 inches • Color(s): purple and silver• Beads: Swarovski tanzanite crystalsCertified Nickel-Free by Athena Allergy Inc. using Nickel Alert™. These earrings are guaranteed safe for those allergic to nickel. Our Guarantee to you: You will never have a problem with a Certified Nickel Free product! Handmade in the USA!