Glow with pleasure as you watch your erection stay longer, thicker, and stronger than ever when you wear the Alpha Glow-in-the-Dark Prolong Cock Ring! You'll enjoy the look and feel of this cock ring with the lights on or off thanks to it's glow-in-the-dark neon glow. The liquid silicone ring stretches easily while maintaining it's original shape once it's secured around your shaft so you experience superior comfort and fit. It's also waterproof so you can see the glow of your quality erection from under water!