The rich black beads are pleasing to the eye, and the strand reflects even the slightest bit of light in the darkest of rooms. This doubled strand of sparkling bling will give you a formal feeling while the rubber-tipped nipple clips serve as a constant reminder that all are entitled to feeling a little pain with their pleasure. Material: 35% cubic zirconia, 35% nickel free metal, 15% copper, 11% stannum, 4% rubber Size: 50,8 cm