(Easy Design) Wine Vacuum Storage: 1. Place the wine stopper securely into the mouth of the bottle. 2. Press the plug several times to release the air in the bottle. 3. Turn the wine stopper to choose the storage date. How to unplug the plug: Pull up the stopper by pulling it up and open. Product Specifications: Wine stopper dimensions: Width 1.6 inches (4 cm), Height 2.8 inches (7 cm), Weight: 3.2 oz (90 g). Material: Silicone Rubber + Plastic This is a must have for any wine lover as it keeps the remaining wine in perfect condition. Fits standard wine bottles Note: Cannot be used with sparkling wine, champagne, beer, or other carbonated beverages.