The earrings are made of acrylic bead and rhinestone. Don't let the front of your ear lobe get all the attention. These doble-sided studs will make you look elegant and chic as ever. It's a trendy way to turn classic earrings to a glamorous and sophisticated appeal. The earrings are perfect for any occsion, from the office to date night or a formal event. They are a great choice for any day of the week. Would also make a fantastic gift for your loved ones, friends and family. Size of the earrings approx. 8 mm and 16 mm