Stainless steel vacuum wine stopper is made of high-quality ABS and stainless steel material, durable, non-toxic and safe to use. This vacuum wine stopper is composed of an air suction pump and 2 stoppers, just insert the wine stopper put into the bottle mouth and install the suction pump on the stopper, pull the lever several times until the lever is not pulled, the air in the bottle is drawn out, achieve the function of sealing and keeping fresh. Easily lift up to release the pressure in the bottle for opening the stopper. Ideal used at home, restaurants, bars, kitchen and dining.