Silver stud earrings #2201727_ML-W+ML-R, Silver 925°, Jewelery enamel . Stone: Jewelery enamel These earrings are made of Solid 925° Silver. Genuine 925° Silver, Stamped 925 All Jewelry is marked “Common Control Mark” (CCM) according Hallmarking Convention Each Earring Pair comes with Butterfly Backings