Pump Worx Glow In The Dark Power Pump Turn off the lights, turn on the fun, and watch your cock grow as it glows! The Glow-in-the-Dark power Pump will give you the size and confidence you’ve always dreamt about without any harmful side effects. With each squeeze of the medical-style pump ball, your pleasure rod will grow bigger, thicker, and swell with power. Once you penetrate the smooth, PVC opening, you’ll quickly discover throbbing, rock-hard erections that feel great and last and last with no midway performance letdowns. The soft PVC sleeve forms a perfect air-tight seal with your skin, creating a strong vacuum inside the chamber that delivers maximum results.