You can never be without enough earrings like our inside-out hoop earrings that can be personalized with a favorite color birthstone for you, a friend, a family member, or anyone who wants the latest fashion look. With snap backs and surgical steel posts. Silvertone. Main Stone: 18 Round Faceted Cut Simulated Birthstones, 3.5 mm x 3.5 mm Silvertone Measures: 31 mm wide x 30 mm long x 4 mm high Includes gift box and drawstring pouch Silvertone Dimensions: 31 mm wide x 30 mm long x 4 mm high Includes gift box and drawstring pouch Hinge post earring, 18 Polished finish Warranty available China Imported Material & Care Silver-tone metal Metal, Silver-tone metal Clean with a soft cloth.