This revolutionary Japanese masturbation toy allows men to alter the level of tightness by placing a finger over the air-hole which changes the pressure in the 24 air-cushion chambers inside. Sensation is provided by a range of nubs & ribs. A lubricant reservoir ensures that the point of insertion is well-lubricated for a natural sensation. All Tengas are pre-lubricated with an allergy tested lubricant. Remove foil cover from air hole prior to allow insertion & place your finger over the air hole to adjust level of tightness. The Tenga Air Cushion is recommended for single use only. However; if used with a condom & cleaned with warm water after use; it should provide multiple uses & hours of fun! * Please note that this is product is designed to be used only once. Use condoms to extend usage.