These classic hoop earrings feature a sleek flat front design with a hinged open and closure. Hoops are adorned with 18k gold plating and a high polish finish, earring posts are stainless steel. Outer diameter measures 10 mm.Metal Type: BrassPlating: 18k GoldClosure: HingedOuter Diameter: 10 mmEarring Thickness: 2.5 mmEarring Posts: Stainless Steel