Our petite seashell earrings with etched detailing are lightweight, and perfect in first, second or third piercings. Pair with your favorite gold hoops or studs for the ultimate ear stack. Tarnish Free - Long lasting protective coating safeguarding your jewelry from sweat, water, and more. Sterling Silver Posts – 18K gold plating over brass Hypoallergenic – Lead Free The studs are 6mm x 7 mm