The VPS allows couples dealing with ED to experience intercourse in a more natural and fulfilling way. It's is the only product utilizing vacuum pressure to stay securely in place when used on a flaccid and/or erect penis, eliminating the need for harnesses and other cumbersome attachment paraphernalia. Trapped air is removed from within the sleeve, creating a secure fit, allowing you and your partner the freedom and ability to again experience the sensation of intercourse.