Blush Novelties Basically Yours Cock Vibe #10 is a 8.5 inch realistic vibrator with a thick shaft. Twist dial base is waterproof for shower and bath time. Created for the cost conscious, Cock Vibe #10 is made of phthalate free PVC. Multispeed Vibrations, Waterproof, realistic feel. Requires 2 AA batteries, not included.