CARBON-CIRCLE-RHODIUM Materials used: Hanger: 925 STERLING silver with rhodium flashing. Front part: lacquered, high gloss carbon fiber, UV-resistant. Back part: satin effect metal surface, rhodium coating (platinum flashing) in 3 layers. Gloss preserving, wear-proof, oxidation resistant and anti-allergenic. Available in three sizes: with a diameter of 4, 5 and 6 cms.