Restaurants and bars often serve wine by the glass. In this case, the bartender opens a bottle of wine, pours a glass, then must keep and store that bottle for the next guest who chooses to order the same wine. In order to keep the wine at its freshest flavor, bartenders use wine bottle stoppers. Most wine bottle stoppers are fairly simple; they fit into the mouth of the wine bottle and form an air-tight seal, essentially re-corking the wine until later use. For white wines, the bottle is stored in a reach-in cooler in the back bar area. Red wines usually do not require refrigeration, and are kept on a shelf. Using a stopper does not make a wine last forever, but it reduces the amounts of impurities that can enter the bottle, and seals in the aromas and flavors of the wine. For the very best seal, use a vacuum-seal bottle stopper. These use a device to actually pull out the oxygen and make the wine last even longer than a simple stopper ever could.
Outside of vacuum seal stoppers, wine bottle stoppers in the bar area are often simple and inexpensive, often made of rubber or plastic. The more decorative ones, like the stainless steel stoppers with fancy charms or figurines on top, are often purchased as gifts and used in the home. Either way, however, keeping wine fresh and tasting good to customers will keep the sales rolling in and maintain your restaurant or bar’s reputation.