The three dimensional triangle form appears to float seamlessly around the earlobe when worn. One side is an earring post. You can alter the point at which the earring hangs depending on how you want it to appear. Available in 18kt yellow or white gold in 5 sizes (10/15/20/25/30mm). Dimensions: 20mm x 20mm x 20mm. This 18kt white gold item is sold individually as a single earring.