The Vacu Vin Wine Aerator adds a new dimension to wine drinking. The design of the product slows down the wine flow into the glass, allowing it to take up extra oxygen, so enriching the taste. As the detachable top is transparent you can follow this process. You can also detect any sediment flowing through the aerator, allowing you to stop pouring before it reaches your glass. After use, rinse the Wine Aerator under the tap and store it around the neck of your wine bottle. A great gadget for the wine enthusiast and a fine addition to your wine accessories. Adds oxygen to wine. Transparent top. Easily detect sediment. Storage around bottle neck. Fits most bottles. Hand wash recommended.