Why wear a harness when you have the perfect dildo holder right behind you? Insert the bulb anally and use the vibrating dildo to pleasure your partner. Uses a 10 function bullet vibrator. Silicone dildo measures 5.71 in. long 1.32 in. diameter. Silicone bulb measures 2.95 in. long 1.5 in. diameter. Vibrator requires 3 LR44 batteries included.