Black druzy agate stone with 14-k gold layered over copper. One size fits most. Oval measures just over .25 inches long. Hypoallergenic; lead and cadmium free with nickel content less than 100 ppm. This purchase transforms lives. Jewelry proceeds help exploited women and girls experience freedom, establish independence and develop careers. Helpful Tips: Keep jewelry away from water and harsh chemicals; store separately in a soft pouch.