kegel exercise balls weights tightening and pelvic floor muscle building & strengthen bladder control silicone ben wa ball for beginners to advanced (light pink) yetrun <b>scientific exercise based on kegel exercise theory system, which can effectively restore pelvic floor health in a short time. </b><br><br>easy to control, compact and portable, the kegel ball uses usb charging. <br>100% waterproof design, soft and smooth surface makes it easy to clean. <br>product size: 6.67*1.38 (diameter) inches; weight: 2oz/62.6g<br>60-day worry-free refund and 2-year warranty.<br><br><b>package list: </b><br>1 x kegel ball and remote control<br>1x fine flannel bag<br>1 x usb charging cable<br>1 x user manual