Honu is the Hawaiian word for Hawaii's green sea turtles. These gentle creatures of the sea are seen throughout the world but the Hawaiian green sea turtle is unique to the Hawaiian islands Styles: 14k gold plated brass, 14k gold plate brass with black enamel or antique silver plated brass. Posts are hypo-allergenic. 5/8" square. Slightly larger than a nickle. We make our jewelry in Hawaii. Design is copyrighted by Leighton Lam Designs and is the original artwork of Leighton Lam.