Nipple Teasers In a Bag create powerful natural suction for authentic sensations and engorgement that traditional clips can’t provide. With a simple squeeze, the Teasers fit perfectly against the skin and create a strong seal for hands-free fun—just attach to each nipple and watch them swell through the visually stimulating sheer black material. Comes with 2 Nipple Suckers | Dimensions of each Nipple Sucker; Total Length: 1.75 in. (4.4 cm), Width/Diameter: 1 in. (2.5 cm), Circumference: 4 in. (10.2 cm). For Adults Only.