These chunky hoops are light and suitable for daily use. The hoops measure 19mm in diameter and 7mm in thickness. They have 925 Sterling Silver Posts and are plated with 14K Yellow Gold for a durable, nickel-free, lead-free, and hypoallergenic finish. Our top priority is your satisfaction. If you are not happy with your product, please let us know within 60 days so we can assist you. Contact us via email or chat, and our team will be glad to help. PAVOI is committed to sustainability in our entire product cycle. Our jewelry and packaging are made from recycled materials. We strive to reduce carbon emissions and remove 275,000 bottles from oceans each year to minimize our environmental impact. We are proud to be an American-owned business.