• Surgical Stainless Steel • Nickel Free • Hypoallergenic • Length: Approx. 3/4 inch • Color(s): Black and silver• Beads: Swarovski Black Diamond 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....North Pole of course!