These extra large classic circle hoop earrings measure 3.1/4" by 3.1/4" at their widest point.Materials: 14k gold or rose gold-fill (14k gold over brass core/no nickel), sterling silver (.925), or oxidized sterling silver. All materials are hypoallergenic. The black (oxidized) components of our jewelry will wear over time and eventually achieve a beautiful antique-like finish. These earrings are handmade in our Upstate New York production studio.