LUNA Beads Noir offer the same irresistible pleasures as the world's bestselling Ben Wa balls in luxuriously decadent package. Worn internally, the internal weights respond to your body's movements with a gentle swirling to slowly build you to a state of intense arousal. Discreet and battery-free, the 47 gram weights can be worn individually or together within their matte black silicone harness for the ultimate foreplay or your own little secret outside the bedroom.