Tarnish Resistant 304 Stainless Steel Stud Earrings, Hypoallergenic Earrings, Ring, Stainless Steel ColorSize: about 20mm wide, 27mm long, 7.5mm thick, pin: 0.8mm.Hypoallergenic Earrings: Made of Stainless Steel, our earrings are nickel free, which are gentle to skin. These earrings are ideal for sensitive ears.