King Cock 10 inches Vibrating Stiffy Brown Vibrator Sleeve Real Deal RD. When you are looking for a realistic vibe that is always ready for action, the King Cock Vibrating Stiffy is the perfect choice for maximum satisfaction! This life like dildo features a powerful multi-speed vibrator that delivers mind blowing thrills. It is body safe. Feels even better than the real thing! Try it in the shower or spa and turn bath time into pleasure time. Waterproof for play in and out of the water. Vibrator requires 2 C batteries, not included. Size 12 inches long by 2.25 inches wide, circumference 7.25 inches, insertion length 10.25 inches. Made using body safe materials PVC realistic sleeve, ABS plastic traditional vibrator. Real Deal RD. 19