Nipple suction cups with a hand pump and vibration Cups stay stuck on their own because of the vacuum With a lever to release the vacuum Includes batteries Nipple suckers with vibration! These small transparent suction cups work wonders! You can watch your nipples swell up when you put the nipple suckers over your nipples and create a vacuum with the hand pump. You nipples will now be erect and look absolutely amazing. Now remove the pump device: the suction cups will stay stuck on your breasts once a vacuum has been created. You can also place the vibro-bullets into the spaces on the cups for that little extra stimulation. Enjoy the pleasurable tingling sensations that you probably won´t ever want to do without again! Cup size: inner 5 cm high, Ø 5.7 cm. The tube is approx. 46 cm long. The hand pump is 16 cm long and is comfortable and easy to use because it has space for two fingers. Material: ABS, silicone, PC, acrylic. Includes batteries.