The 2.75 in oval shaped suction cup with the quick release/disconnect valve will provide a soft, comfortable fit. Pump the vacuum bulb for suction and then disconnect the bulb, the cup will stay in place. Now use the multi-speed controller to add just the right amount of vibration. Controller requires two AA size batteries, not included. Pucker Up Blue and enjoy the pleasurable sensations!
Pucker-Up Vibrating Vaginal & Clitoral Pump