Create to deliver sensation to our users16645; <p>Simply place them over the nipple and squeeze the bulb to create a mild yet effective vacuum.</p> <p>Once you let go, these fun nipple toys will stay in place on their own.</p> <p>With the see-through chamber, you get to watch all the action as you play.</p> <p>Measurements: 2.5 inches in total length, 1.25 inches in diameter at widest point.</p>