These Marquise Flat back front threaded studs are made with Gold Vermeil and will be your staple earrings to wear everyday. For second, third, upper lob piercing. Gold Vermeil White Zirconia Crystals Marquise 6.5x3mm(0.25x0.12in) Post Length 8mm, Thickness 1.2mm(16ga) Hypoallergenic post #E015FL-G