Pelvic Floor Exercise: Kegel exercise balls have better effect on pelvic floor muscles training, which is beneficial to after-birth recovery, alleviating urinary incontinence, righting prolapse and increase live's pleasure; Kegel exercise balls are highly recommended for women who struggle with peeing when laughing, coughing or sneezingSafe Material: Kegel balls are made of body safe BPA-free silicone,which is easy to clean and hygiene and health if kegel exercise weights kit has been properly used and cleanedGradual Exercise: 3-level kegel exercise balls can reduce beginners strain and achieve better effect for pelvic muscles training; Follow the steps, you will tighten and strengthen the pelvic floor muscle,increase sensitive and perform better bladder controlAdjustable vibration with remote control:the vibrating ball in kegel balls set has 10 modes of vibration controlled by wireless remote control makes it easier and more convenient to enjoy muscles trainingStronger and tighter pelvic muscles: the pelvic floor exercise for women can be used during your leisure time:office working ,household working,yoga and so on,which won't take up too much time and efforts;Insist on pelvic exercise and you will see the differences after 1-2 months