The ad says that you can train your facial muscle by having the strong resistance bouncy thing in your mouth and pronounce Japanese "a i u e o". It is good for those who is getting a bit of wrinkles around mouth. The product is called Face Slimer, and it is about $40. 3 minutes a day facial exercise in bath time, and you will get a slim face.
It sounds interesting, and I can see how it works well to train the facial muscle.
Good luck.