Pivot + Wine Preservation System keeps everyday wines fresh for up to four weeks. It pairs the ingenious Pivot Stopper with the Coravin Pure Argon Capsule. Simply replace the cork with the Pivot Stopper, insert the Pivot Device, and tip the bottle to pour. The remaining wine is then protected from oxidation, preserving the wine's unique flavors and aromas. With this system, any wine can be enjoyed, any time, without the pressure to finish the bottle.