Blush Novelties Basically Yours Cock Vibe number 12 is a 7.9 inches realistic vibrator with a slim shaft and thick bottom. Twist dial base is waterproof for shower and bath time. Created for the cost conscious, Cock Vibe Vibe 12 is made of body safe materials PVC. Multispeed vibrations, waterproof, realistic feel. Vibrator requires 2 AA batteries, not included.