Pelvic Exerciser Kit for stronger & tighter pelvic floor muscles. These geisha balls are made from non-porous and easy to clean ABS plastic with a silicone sleeve. Wherever you are. your body movements will provide you with a never-ending massage for your own enjoyment. Enjoy the added benefit of pelvic floor fitness. which has been known to enhance vaginal tightness and provide even more pleasure during sex for you and your partner. These Geisha Balls are completely waterproof for fun in the bath and ergonomically designed for effortless insertion. Easy to clean with soap and warm water. Features: Product dimensions 17.5 x 3.4 x 3.7 cm Waterproof Phthalate free Materials: Silicone. ABS