Medical Grade Silicone Made - Made of superior Medical Grade Silicone and ABS plastic?? which is the highest levels of quality and safety in mind?? just like skin.</br>100% Waterproof & Simple to Clean- The seamless and velvet soft exterior of these kegel exercisers are made from non-porous and simple to clean.</br>Perfect Kegel Balls Fit For All Women - Whether you're a new mother or enjoying your golden years?? we have the perfect fit and training system tailored to you & your goals.The length and design of the tail or string is just enough for easy removal.</br>Best Training Program - Designed exclusively by a board certified OBGYN doctor and Physical Therapist. Easy to use by following the user manual. You will see effectiveness in just a few weeks!</br>Doctor Recommened - Recommended by physic