The Vacu-Vin wine saver is an excellent way to store a bottle of wine after it has been opened. The kit includes one pump and one bottle stopper. After a bottle of wine is opened but not completely consumed, just push one of the vacuum stoppers into the wine bottle and attach pump. After three or four 'pumps' the vacuum pulls harmful oxidizing oxygen out of the bottle and then the stopper seals out air automatically. Keeps wine from losing its color, flavor and aroma after opening. All parts are completely reusable and will last many years. Complete with instructions. Makes a great gift.