These fantastic silicone vaginal balls with internal free balls will provide you with amazing stimulation throughout the day while simultaneously strengthening and tightening your vagina. Simply insert the two balls with the silicone protruding. The vaginal balls feature smaller weighted balls inside the silicone casings, and with every move you make, they will move, creating a sensation of impact. This experience is not only incredible, but your muscles will contract around the balls, offering you an exercise that tones your vagina like no other.