These Tiny Gold Cubic Zirconia Earrings are perfect for any occasion. Crafted with high quality materials and craftsmanship, they feature a flat screw on back, 18k gold plated 316L stainless steel, and are nickel and lead free. They are also hypoallergenic and rust resistant, with a shiny smooth finish. The post is 20 gauge and 6mm long, and the CZ measures approx 4mm. These earrings are perfect for lone, cartilage, and tragus piercings, and are great for all ages and unisex.