LELO LUNA Beads Noir offer the same irresistible pleasures as the World's bestselling Ben Wa balls in a sleek and seductive package. Worn discreetly inside, they respond to your movements with pleasurable vibrations, making them perfect for foreplay or as your own little secret on a night with your partner. They also serve to strengthen your pelvic floor muscles in the long term, improving tightness and circulation for the most intense pleasures to come. These LUNA Beads create discreet sensations that exercise the pelvic floor. They also feature a sleek design with two weight options to mix and match to enjoy during foreplay and beyond. The Beads are ultra-safe, comfortable and hygienic because they are easy to clean with the smoothest FDA-approved silicone/ABS. They are the world's bestselling beads with full 1-year LELO warranty. Size (girdle): 3 x 1.2 x 0.4. Size (beads): 1.1. Weight: 2 x 1.3 oz.