A timeless classic, oriental duotone balls, the worlds first internal vagina massager. When the beads strike together a tiny shock wave occurs. Great as an exercise tool for tightening vaginal muscles, these balls are specially designed for insertion into the vagina. The sensation is indescribable as the small metal ball weights shake and shudder around inside the outer ball case. This promotes kegel excercising and vagina tightening. Every women should have one of these! The balls are about 2,5 cm in diameter each Two are better than one for the ideal preparation for a romantic evening! Enjoy the love ball duo with every body movement. The integrated ball generates vibrations when moving outside. Geisha balls can also be recommended as part of the post-pregnancy recovery gymnastics Material: ABS plastic (balls) and non-toxic, odorless silicone (tether) Total length: approx. 21 cm ball Ø approx. 38 mm each. Color: different colors.