Have wine left over? Seal the bottle back up with the Vacu Vin Wine Saver. The vacuum pump slows down the oxidation process allowing you to enjoy your wine again at a later date. Very easy to use. Wet the stopper, insert, pump until you hear a click and you're done! Not suitable for sparkling wines. Includes black vacuum pump and 2 gray stoppers. Stoppers are dishwasher safe.