A-Toys Rosi vaginal balls with a displaced center of gravity are made of non-toxic and hypoallergenic 100% high quality silicone. At the end there is a loop that allows you to easily insert and remove the toy. They are waterproof and easy to clean. The perfect way to practice Kegel exercises. A-Toys vaginal balls strengthen the PC muscles, improve the tone and elasticity of the vaginal muscles, and also help to increase the duration and intensity of orgasms. Just apply your favorite lubricant and insert the balls one by one. They are absolutely silent, and the extraction loop is easy to hide in your underwear. It is recommended to use the toy for no more than 2 hours, starting from 20-30 minutes daily.