[18K Gold Plated Brass]: Ball stud earring findings are made of 18k gold plated brass, smooth and elegant surface, gold sparkles, soft metallic luster, good ductility, no reaction to most acids, not easy to deform, suitable for long-term wear. [20Pcs Earrings In A Box]: 20Pcs stud earring findings, all packaged in a small box: 6.8x5.2x1.1cm, easy to not lose the pieces, can keep chains from dirty. [Size]: Earring findings: 0.65x0.22 inch(16.5x5.5mm), hole: 0.05 inch(1.2mm), pin: 0.03 inch(0.8mm). [Ball Earring Studs]: Ball stud earrings are designed with textured ball front, simple but stylish, with great golden color, add extra shine to your wearing, providing with ear nuts, easy to storage. [Best Gift]: Using earrings to make some delicate handicrafts as presents to your family members and friends on Mothers Day, Summer, Easter, St. Patrick's Day, Birthdays, etc.