HYPOALLERGENIC 925 STERLING SILVER -- these small cz studs are crafted with hypoallergenic 925 sterling silver post. Nickle free and safe for sensitive ears. 3 PAIRS A SET: Stone Size 2mm=0.08" 3mm=0.12" 4mm=0.16", Gauge Size 20G=0.8mm. Perfect for for ear lobe piercings and cartilage. SPARKLY LIKE A DIAMOND -- The AAA quality cubic zirconia with excellent cut and clear color is sparkly like a diamond. Shiny and bling choice for your beloved. Perfect for daily wear and any occasions. The solid crytal is held firmly by the 4 prongs and not easy to loose. PERFECT GIFT -- The classic 4 prongs design will be never out of fashion. They are well wrapped with a tin box. Perfect gift at Christmas, Valentine's Day, Mother's Day, Anniversary, Graduation, etc. Our stud earrings for women sterling silver are timeless and traditional hand crafted to add amount of elegance to your outfit, allowing the jewelry to become an extension of your unique temperament.