Natural serpentine stones are wrapped with a precious little brass dragonfly. All of the metal used in the earrings is a lovely natural brass that is nickel free and will not tarnish. Size : The earrings dangle approx. 3/4'' from bottom of earwire. The serpentine stone is a 10mm round coin shape. Each purchase will come carefully packaged in a nice jewelry box with a chocolate brown satin bow. If you would like a gift message with your purchase please include the message in the buyer's comments box upon checkout.