Non-Tarnish 304 Stainless Steel Ear Studs, Hypoallergenic Earrings, Snowflake, Stainless Steel ColorSize: about 12mm wide, 12mm long, 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.