This affordable earring making kit includes 600 pieces: 200 earring hooks, 200 jump rings and 200 earring backs. The earring hooks are made of silver/gold-plated copper with clear rubber backs, nickel-free and safe for use. These supplies provide sufficient jump rings and backs needed for earring making. The hooks are well-made and suitable for Diy craft enthusiasts, allowing you to create different styles of earrings with your favorite accessories.