Harden your erection in a safe and controlled way with this Classic Penis Pump by Pumped.  The insertion sleeve is made of high-quality silicone, and the cylinder is 9" long and 2.35" in diameter.  This pump is simple and great for beginners.  It is effective at prolonging harder erections.  It delays ejaculation boosting of testosterone. Imagine how big you can get!  Measure and watch yourself grow through its clear tube.  The handpump is easy to use, and the quick-release valve is conveniently designed to be within reach at all times.  Approved by American Urological Association through clinical studies.