WINE SAVER - By using Vacu Vin, you can enjoy a glass of fresh, delicious wine whenever you want without worrying about wasting any. It's an easy way to get the most out of your wine collection! AIR REMOVAL - The wine preservation system uses an air remover to extract the air from your opened bottle of wine, preventing oxidation and ensuring your wine stays fresh for longer USAGE - To use, simply insert the wine stopper into the bottle and pump until you hear the patented "click" - this signals an airtight seal has been achieved QUALITY STANDARD - All Vacu Vin wine savers, vacuum pumps, bottle stoppers, and wine pourers are made in the Netherlands, so you can trust that you're getting a high-quality product REUSABLE - The wine stoppers are not only environmentally friendly, but also cost-effective for wine enthusiasts who want to keep their opened bottles of wine fresh for longer periods of time