If you want to strengthen your pelvic muscles and your perineum, then Dorcels Dual Balls are for you!By strengthening your perineum, you will have a better knowledge of your body and you will feel better with your partner during your intimate relations. Geishas balls are an essential companion for your sexual fulfilment.Made of soft and phthalate-free silicone, this object will become your favourite sex toy!A system of beads exists inside each ball. Their bearings will trigger the contraction of your perineum.The balls are slightly oval for easier insertion. Dont waste any more time and use them directly after taking them out of their packaging.They are composed of a double string to allow you to remove them as easily as you inserted them!Totally waterproof, you will be able to play with them in your shower for example for wet pleasures!For a more pleasant insertion of the Dual Balls, we recommend the use of a water-based lubricant.A sex toy cleaner is essential after use.Geishas balls are an essential part of personal sexual development. The perineum is essential for controlling the vagina and therefore orgasms.