Genuine 14K White Gold CZ stud earrings with secure screwbacks. Forget about the cheap earrings that tarnish in less than a month, these gold cz stud earrings are guaranteed to never tarnish! Gold is a metal that never tarnishes and that can be worn anywhere including in the shower, pool or anywhere there may be moisture. The smaller sizes are great for kids (3mm to 5mm) to wear as a primary earring and great for Adults to wear as part of a multiple earring set on an ear with multiple piercings. The larger sizes (6mm - 8mm) are great for teens and adults to wear as a primary earring or as a set as well. The secure screw-backing will make sure that your earrings will never fall off even if you wear them all day, everyday.