Earrings come with 9 interchangeable colours set on golden anodized aluminum dome formed discs. Light weight and very comfortable to wear. No need for rubber backs. Pin like closure keeps earrings secure on ears. The petite earrings measure 1" in length. Wires are designed using 14 Kt. Gold-fill. 14 Kt. Gold-fill versus Gold Plating. The Gold is a layer of gold mechanically placed around the wire, creating a very durable finish. Plating uses a light coating of gold which can wear off very quickly.