WINYI Kegel Balls for beginners Doctor Recommended ben wa balls sets for tightening & pleasure advanced Vaginal Bladder Control & Pelvic Floor.

This pelvic floor trainer is designed with attention for your body, to easily and comfortably train your pelvic floor muscles in a healthy way. The 4 independently weighted balls increase in weights to gradually tighten and strengthen the muscle in the vagina. 

Using the weights: Simply insert the lightest of balls into the silicone individual casing. 
Add some water based lubricant to assist with insertion and removal. 
Place the ball inside your vaginal opening with the pointed end first whilst keeping the string end accessible for easy removal. 
Use for 10-15 minute increments whilst doing non-strenuous activity. 

Product Information: 

Material: Silicone exterior + ABS weighted balls
Waterproof: IPX7