20x Silver Plated Metal Earring Butterfly Stoppers 4mm x 5mm. 10 pairs of silver metal butterflies used to prevent ear wires from falling loose from the wearer's ear lobes. May be used with stud and fish hook style earrings. May be used with our silver plated fish hook ear wires code 00192-002 and our silver plated stud earrings - see photo below main photo). Lead free.