The Ravi Vacuum Wine Stopper Pump is a vacuum wine stopper that pumps the air out of an open wine bottle to preserve the wine. Put a Ravi Vacuum Wine Stopper on top of a wine bottle and with just a few quick pumps it turns into a wine saver stopper with an airtight seal to save your bottle of wine for up to 6 days. The Vacuum Wine Stopper Pump has a visual indicator that lets you know that the bottle and wine are safe! Preserve your wine in freshness AND flavor with the practical Ravi Vacuum Stopper. This is Vacuum Stopper is a great tool that is fun, easy to use and really works!