TENGA AERO Silver Ring Masturbate Better Pleasure from Spiraling Surroundings! Innovational Aero Technology, Dial Operated Suction Control Control the suction by turning the dial! Adjust the dial to produce the perfect strength of vacuum suction and tightness. Personalized suction for the perfect experience. The AERO DIAL has a total of ten settings. The AERO creates stimulating pressure during insertion, and strong vacuum suction when pulling out. Pressure and suction strength go up with every increase in setting. Find your perfect level of pleasure. Entangling Pleasure from the Internal Squeeze Ring! The highly elastic ring embedded in the elastomer body keeps air inside and produces enveloping pleasure. Two unique sensations: Pleasure from spiraling surroundings with the Silver Ring and pleasure from suctioning surfaces with the Cobalt Ring! Each has different material hardness and details, allowing you to personalize the suction for the perfect experience. Reusable and Fully Washable with Hygienic Drying Stand.