Trinity Stretchy Vibrating Cock Ring Black. This stimulating, powerful stretchy cock ring will provided uninterrupted vibration that will not quit until you do! The removable peanut vibe provides strong stimulation, and can be used again and again! Just insert the 3 tab batteries, and enjoy stimulation for your partner. A textured pad at the front provides additional sensation. Silicone is a body safe and effective material, providing firm support with just the right amount of stretch for maximum erection enhancement. Just hit the one touch button and go! Measurements 1.25 inches in diameter, not stretched. Materials Silicone, ABS plastic. Color Black. Requires 3 tab batteries, included.