Tarnish Resistant 304 Stainless Steel Huggie Hoop Earrings, Hypoallergenic Earrings, Stainless Steel ColorSize: about 34mm wide, 34mm long, 2mm thick(12 Gauge); pin: 1mm.Hypoallergenic Earrings: Made of Stainless Steel, our earrings are nickel free, which are gentle to skin. These earrings are ideal for sensitive ears.