The silky smooth Silicone Waterproof Vibrator has a rounded end for easy insertion and an incredible 10 functions of pulsation and vibration that are easily changed with the push button controls near to the base of the vibrator. Measuring 7.75 inches in total with an insertible length of 5.5 inch and a maximum diameter of 1.4 inches, this vibe is aimed at sex in the shower but is totally waterproof so can be used anywhere where there is water. 2 AAA batteries included.