These parts combine the best of both worlds: skin-friendly resin and metal catches that securely hold pins. The material is resin, and the metal parts are copper with gold plating. The metal parts are completely embedded in the resin and do not touch the skin. Size: See photo Metal part color: Gold *This is a sale of earring backs only. Earring pins are sold separately. ・There may be uneven plating, discoloration, or small scratches. ・Colors may appear slightly different depending on the monitor environment. Please understand.