Fifty Shades of Grey Weekend Collection Nothing But Sensation Nipple Teasers Gray Set. Enhance after dark experiences and discover the arousal boosting intensity of a little subtle suction with Nothing but Sensation, a set of 2 nipple teasers. Squeeze and release over areola to create a gentle vacuum that increases size and sensitivity. In anatomy, the areola is a small circular area on the body with a different histology from the surrounding tissue of a nipple. Features: Fifty Shades of Grey silicone nipple teasers. Can heighten sensitivity for increased arousal in play. Uses air pressure to draw blood into nipples. Silk soft silicone for a luxurious feel. Simple to use. Material: Silicone. Length: 2 inch. Width: 1.25 inch(bulb), 1.2 inch(cup).