* waterproof💧💧💧 * stainless steel * 18k gold * hypoallergenic * nickel free * size:16mm diameter * closure: earpost Designer note: the button stud earrings are designed with a gold, mirror-like finish, a true reflection of timeless beauty. Crafted with meticulous attention to detail, these earrings shiny gold surface creates a mesmerizing reflective surface, adding a touch of glamour and sophistication to ensamble.