Necklaces / Pendants by Selina Campbell Peacock pearls can vary in colour each time. Features Primary Material : sterling silver Other Materials : freshwater pearls Length (inches) : 20 One of a Kind : No Metal : sterling silver Gems : freshwater pearls Hallmarked : No Cleaning InstructionsSterling Silver can tarnish over time especially it has contact with certain chemicals, acidic food, cleaning agents and worst of all, chlorine, which can leave permanent marks. Silver should be kept dry so remove it before washing up, showering, bathing, swimming and when applying perfume. If possible store in a tarnish-free cloth or jewellery box. A silver polishing cloth is a useful item to remove tarnish and helps keep your jewellery lustre and shine.