Our body training balls contain silicone. It can effectively strengthen the pelvic floor, improve bladder control, and experience higher sensations in intimate moments, strengthen and regulate the pelvic muscles, increase vaginal firmness and elasticity, and enhance sexual pleasure and intimacy. Its use method is very simple: clean and lubricate the private parts, use a comfortable position, gently put the training ball into the private parts, and perform physical exercise training according to the tutorial. And you can exercise.