Enameled Best Friend Necklace SetVintage best friends charms with hand applied black epoxy resin. Keep one and give the other to your BFF! Charms are 1 2" x 1 2". 17" antique gold plated brass figaro chain (nickel free). Care + Cleaning: Lightly rub with a cleaning cloth periodically to remove dirt and oils. To avoid accelerating the patina process, do not shower with your jewelry on or store it in the bathroom, as water and humidity will darken the metal. To remove patina