Health Reach your goal easily and quickly: The sets of 3 geisha balls are ideal for beginners to advanced. 15 - 30 minutes a day and only a few weeks you will feel the differenceAfter one to two months, you will have stronger and tighter pelvic muscles to improve your bladder control, work and confidenceHigh Quality Silicone: The most convenient, easy to use and safest geisha exercise ball on the market. BPA free, soft, 100% waterproof and non-porous for easy cleaning. No openings or plastic combs to trap dirt.Remote control and pelvic floor training mode: This package includes 2 physical love balls (28g and 36g) for women"s pelvic floor training and 1 love ball with 10 modes for women"s pelvic floor training .Doctor Recommended: This weight set is recommended by physical therapists and strengthens pelvic floor muscles improving bladder control and improving pelvic health.