Necklaces / Pendants by Frances Levis The maximum length of the pendant is 80mm. Features Primary Material : silver Length (inches) : 17 One of a Kind : No Metal : sterling silver Hallmarked : Yes Cleaning InstructionsTo clean polished silver: Use a special impregnated silver cloth, silver cream cleaner or silver dip to restore shine and to remove tarnish. If silver dip is used, please ensure the piece is well washed with soap or washing up liquid, rinsed and then dried thoroughly.