The Stamina Training Unit from Fleshlight.
The key to sexual prowess is practice, that's where the Fleshlight STU™ (Stamina Training Unit) helps.
It's been specifically developed to replicate a hightened sensation of intercourse to help you find your rhythm and peak sexual performance.
Made from patented SuperSkin material this highly intense masturbation sleeve produces the most pleasurable experience possible.
Practice with stamina techniques to give you complete control over your sexual performance, orgasm and ejaculation.
Just 10 minutes with the STU will help you last 20 minutes in bed with anyone.
So see how long you can last inside this vagina!