preservation system: A wine preservation system is the way to preserve the taste and bouquet of any wine after the bottle has been opened. The wine preservation vacuum pump removes air from the bottle and creates an airtight seal, preventing oxidation and preserving the taste and bouquet of the wine. stoppers: The set includes a wine vacuum pump, four wine stoppers (two for regular and two for long-term storage). The wine stoppers create a tight seal in the bottle and are reusable, making this system an economical and environmentally friendly choice. Easy to use: The wine vacuum pump is easy to use. Just place the stopper in the bottle and pump. The pump will remove air from the bottle and create an airtight seal, preventing oxidation and preserving the wine's flavor and bouquet. Reusable: The wine stoppers are reusable, making this system an economical and environmentally friendly choice. The stoppers are made of high quality materials and are designed to last for years. Perfect for gifting: The wine preservation system makes the perfect gift for any wine lover. It's a great way to preserve the flavor and bouquet of any wine, making it an enjoyable experience every time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.