Gauge: 20g and #124; (pair). Sold as a pair. All measurements are approximate: The hummingbird design measures 9.3mm tall by 13.8mm wide. Made entirely from sterling silver with matching butterfly backs. More earrings are available here. Material(s): Sterling Silver. Ear cartilage, Ear lobe, Ear lobe. Sizes offered: 20g (.81mm). Brand: Invictus Design, Stud Earrings, Hummingbird Design, Earrings Bird, Hummingbird Earrings, Body Jewelry, Summer Vibes, Sterling Silver, Silver