This sleeve does not only Boost your size and performance but get the best out of you with it powerful vibrations that stimulate both you and your partner. This vibrator is highly technological that it comes with a vibrator that turns on automaticaly when you wear the sleeve(on contact vibrator) for some intense bedroom fun. This sleeve is designed to fit around your erection, giving you more length and girth to play with. The material is stretchy to give a snug fit and will provide you with extra girth for maximum satisfaction.