The Luna Beads Noir is a combined pleasure / fitness system for the circum vaginal and pelvic floor muscles. Developed as a modular alternative to traditional 'geisha-balls', LUNA offers the advantage of increased resistance over time. Her movement-induced subtle vibe makes for more efficient, fun and pleasurable Kegel exercising. Indeed, benefits of daily use include increased muscular control, enhanced sensation and ultra-intense orgasms. They comes presented in an elegant gift box, accessorised with manual and satin pouch for stylish storage. Size of balls: 29 mm. Weight of the balls: 37 gr.