Our Tierra Cast Pewter Round "Om" symbol Button is made with the highest craftmanship in Northern California, in the USA. Each Tierra Cast Finding is made with high quality Pewter which goes through an extensive electroplating process to add to it's amazing Brass Oxide Finish. Each Tierra Cast Pewter Button is Lead Free. Our Tierra Cast Buttons are beautiful and affordable findings that you can trust! The Round Om Button is approximately 17mm. Sold Individually $1.85 $0.93