Large, round stud earrings with a shield-like drop. Lightweight statement earrings for a bold accessory. Stud backingNickel FreeMeasurements:Stud Width: .75 in. / 1.9 cm. Bottom Width: 1.75 in. / 4.44 cm. Height: 2.5 in. / 6.35 cm. Style: FormalMaterial Composition: BrassCare Instructions: Keep jewelry away from prolonged exposure to moisture. Before any activity, take off the jewelry and store it in a dark and dry place. This includes activities such as showering, swimming, or exercising. If the jewelry does get exposed to these conditions, rinse it under cold water and completely dry it with a dry and clean towel.