Preserve the Pleasure - Pressure Bar Amigos Champagne Stopper Patented pump system preserves the flavor and favor of your favorite bottle of sparkling wine. You no longer have to pour that expensive bottle of champagne in the sink. Simple to use and easy to store We are different from other cork stoppers on the market because our cork air stopper pump will give you better results. The lockable pressure pump system is designed to keep the champagne bubbles inside to preserve the taste. Only snap closures feature this patented technology and a premium finish. An innovative date reminder switch is included so you never forget when to save your wine. Simply place the cap on the bottle and close the lock on the metal wings to connect. This stopper is designed to fit most champagne and sparkling wine bottles