Pair of Blue Prong Set Cubic Zirconia Magnetic Earrings 6mm No piercing needed. This great pair has as its main feature a prong set blue cubic zirconia. The magnet makes it easier to wear and take off, can be used anywhere in your ear. Measurement: 6mm Diameter Shipping and Returns We are a U.S. based seller and all of our products are shipped from the United States. You can return any product within 30 days from purchase date. We Care And Will Reply Within 24-48 Hrs!