These Tiny Black Circle Earrings are perfect for all ages and genders. They feature a flat screw on back and are made of 316L stainless steel, making them rust resistant and hypoallergenic. The post is 20 gauge and 6mm long, and the circle measures approx 6mm. The earrings are nickel and lead free, and have a shiny smooth finish. Crafted with high quality materials, these earrings are perfect for lobe, cartilage and tragus piercings.