AERATE WINE AS YOU POUR - The Earnest Concepts Wine Aerator uses the Bernoulli Effect, which infuses your wine with the ideal oxygen amount. This instantly enhances the flavor and aroma. By allowing the contents of the wine bottle to breathe you're ensuring a smoother more full bodied taste KEEP YOUR WINE FRESHER LONGER - The Earnest Concepts Wine Stopper minimizes wine oxidation by pumping the air out of the bottle. Just pump the vacuum wine stopper several times until it can longer be pumped. This will help preserve your wine longer allowing you to savor and enjoy your wine.