With the Vacu Vin Wine Saver Concerto with 3 wine stoppers and a wine pourer in the color Black, wine can be sealed. Using the Vacu Vin wine stopper oxygen from the wine bottle. The wine bottle is vacuum after hearing a click sound. This allows wine to be kept for up to 10 days after the wine is opened. The wine server allows you to serve wine without dripping, and the durable stoppers are a practical solution for resealing your opened wine bottles.