Check the listing for details. 10K Yellow Gold or White Gold Butterfly Earring Backs pair (Small, Medium). Condition: New with tags, Made in United States. Listed at 13.68 USD. Genuine 10k gold classic butterfly back replacements for stud post earrings available in 2 sizes Yellow Gold And White Gold Beautifully crafted and well designed pair of replacement backs.. Hypoallergenic and nickel free. Perfect for stud post earrings to securely fasten for comfort and security Size: 4mm, 4.5mm (Small, Medium)Properly stamped 10K Pictures are enlarged to show details PICTURE IS ENLARGED FOR DETAILING. Your Satisfaction is important to us! If you are unsatisfied with your purchase, for any reason, you may return the item for a FULL REFUND within 30 days of purchase. shipping: We offer Free Shipping for US orders. Orders are shipped within 1-3 business days of receiving payment. payments: We accept all major credit cards processed through PayPal. International buyers are responsible for customs duty. returns: 100% satisfaction guarantee – Return for any reason within 30 days to receive a full refund. business hours : Monday to Friday 9AM – 4PM ET