Made of .925 sterling silver, the stud attaches to your ear via a strong magnet backing giving you a pierced look. Round cut cz studs have made their mark on the fashion world with their timeless beauty and classic shape making these earrings stylish and comfortable. These 6mm black CZ cubic zirconia magnetic solitaire stud earrings are perfect 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.