These fantastic silicone coneballs with free-roaming balls (39g each) inside will give you amazing stimulation throughout the day and simultaneously work to tighten and strengthen your vagina. Simply insert the two balls with the silicone tail outside of you. These coneballs have smaller weighted balls inside the silicone sleeves and with every movement you make they will also move and cause knocking sensations. Not only will this feel incredible, but your muscles will contract around the balls, giving you a stimulating vagina workout like no other.