These solid 18K gold flower earrings with mother of pearl are real beauties in children’s jewelry. Mother of pearl looks beautiful on all skin tones.They come with covered screw backs for a safe, secure, and comfortable wear. At 7.5mm (5/16″) they are sized for girls of all ages. 18K gold is the preferred gold choice for sensitive skin, or young children, because it is purer gold, so it poses less risk of an allergic reaction.