Minimize wine oxidation by sucking the air out of the bottle. Simply pump the vacuum wine stopper several times until it sucks firmly. This way, the taste of your wine bottle will last for weeks instead of days. It preserves better than the original cork and prolongs the freshness of the wine. Pump the vacuum wine stopper multiple times until it sucks firmly to preserve wine for weeks instead of days. Better sealing performance, longer lasting sparkling wine. Strong and durable, no harm to human body. The stopper can completely cover the mouth of the bottle to avoid outside contamination. The vacuum rubber seal fits most wine bottles as well as others with similar characteristics. It preserves better than the original cork and prolongs the freshness of the wine. Ideal for household, hotel, club, bar and more. Made of high quality durable food grade silicone inside and food grade ABS outside A safer to human body, non-toxic, high quality wine accessories. Fits most wine and champagne bottles. Simply insert the stopper into the bottle and press down several times to remove the air from the bottle and suck it out. Package - You can get two vacuum wine stoppers, which can keep the wine fresh. Product Specifications: Material:ABS Color: Black