This ring is the perfect toy to add to your collection. The ultra-narrow material of the base will fit perfectly in your penis and testicles, allowing you to enjoy thicker and longer erections. In addition to enjoying yourself with this ring, your partner can also enjoy thanks to the stretch marks at the top and at the botton. Designed in the USA with the highest quality standards. Features: Vibrates 3 RL41 bateries Inner diametre: 2,4 cm