Replace your wine bottle’s cork or screw cap with a Pivot™ Stopper, and pour a glass at a time with the Pivot™ Wine Preservation System, preserving the remaining wine for up to 4 weeks. Made using specially designed sealing plastic, each Stopper can be used again and again. Six Pivot™ Stoppers included, compatible with most regular shaped bottles. Only compatible with the Coravin Pivot™ Wine Preservation System. 6 stoppers pre pack.