you will receive 18 wine keepers with a simple wine saver pump, reliable quality, sufficient quantity, comprehensive and functional combination, easily meet your daily use and replacement needs Practical Bottle Stoppers: these wine saver stoppers are designed for wine vacuum pumps (including pumps) and work with the vacuum pump to easily remove air from the bottle, allowing the wine to be stored longer and remain fresh Versatile Applications: these reusable wine vacuum sealers and vacuum pumps are not only suitable for daily use at home, but also for restaurants, hotels, cafes, bars or shopping malls Easy to Use: you need to insert the wine cork into the bottle mouth and the vacuum pump, the air in the bottle will be expelled until you hear the click, which indicates that the bottle has been successfully sealed, easy to use, saving you more time Adaptable: these wine bottle preservers are of average size and fit almost most wine bottles, such as red wine, white wine, etc;