18K Solid Yellow Gold Small Pink Enamel Butterfly Earrings with Covered Screwbacks. Measuring 4mm X 6mm (0.16 x 0.24 inches), these earrings are perfect for 3 to 15-year-old girls. Crafted from 18K hypoallergenic gold, they're both beautiful and safe for sensitive skin. The Amalia box and bag are included for a beautiful gift presentation. With the covered screwbacks providing extra protection to the neck, these earrings are a perfect blend of style and comfort.