Trinity Vibes I'm Your Vibe Double Ring Vibrating Penis Enhancer This stretch to fit, double cock ring system adds girth, texture, and vibration to your stroke! Splash proof and easy to use, just slip it on and turn on the included bullet vibrator, for powerful stimulation for both partners, simultaneously! The double ring system also helps control blood flow, for an enhanced erection and more staying power. Turn your rod into their favorite vibrator and enjoy incredible sensation with this fantastic toy! <br /><br />Measurements: 1.25 inches in diameter no stretched, 3.75 inches in length. Material: Thermoplastic Rubber TPR ring, ABS plastic bullet vibrator. Color Black. Note bullet vibrator requires 2 LR1130 tab batteries, included. Shipping weight 0.17 pound. Brand Trinity Vibes. UPC number 848518018083. Retail packaging. Please note shown on dildo for informational purpose. Dildo not included. Sold separately.