Chokers by Frances Levis The silver choker diameter is 135mm which roughly equates to a 16" length. Larger chokers can be supplied. Features Primary Material : silver Inside Diameter (mm) : 135 Dimensions (mm) : 58x25x6 One of a Kind : No Metal : sterling silver Hallmarked : Yes Cleaning Instructions To 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.