Made of .925 sterling silver, the stud attaches to your ear via a strong magnet backing giving you a pierced look. These round studs have made their mark on the fashion world with their timeless beauty and classic shape making these earrings stylish and comfortable. These 3mm black cubic zirconia CZs magnetic solitaire stud earrings are great for anyone seeking non-pierced earrings. Warning: Do not use in the nose or mouth. Inhalation and aspiration hazard. Not recommended for children under the age of 13 without parental supervision. Keep out of the reach of infants.