Slide into this traditional penis pump for a comfortable and easy to use pumping experience. Improve your erection as you squeeze the hand bulb to your desired results. A stretchy cap conforms to your hard on for an airtight seal, and once you're satisfied with the level of suction, simply press the quick-release valve and enjoy the results. Translucent cylinder allows you to watch your erection as it grows. Color: Purple Type: Penis Pump Material: Plastic, PVC Length (Cylinder): 7" Circumference (Cylinder): 6 3/4" Special Features: Translucent Cylinder, Quick Release Valve. Weight: 12 oz (in package)