This set includes three Kegel balls in 3 different sizes to satisfy your various needs. For a vaginal stimulation, this toy is perfect. Slip these balls inside and feel incredible stimulation. Each kegel bals contains a smaller weight inside it, so with every movement your body makes, these balls will click and knock together sending delicious spasms throughout your vagina muscles. Besides stimulating your vagina, they will also act as a vagina workout, making your inner muscles stronger and tighter for your pleasure.