Maximize your erection with the Maximizer Worx VX1 pump. It has a transparent cylinder, perfect for you to see how your penis grows. At the base, a soft silicone vagina-shaped sleeve hugs your penis to keep it in place, maximizing comfort. To start enjoying, you just have to insert your penis and operate the lever. Features: Hand pump Vagina silicone sleeve Transparent cylinder ABS Measurements: 20 cm x 6.2 cm