Specifications Name Wine Bottle StopperMaterial Silicone ABSSize 7×4 5x3cmColor BlackFeatures Efficient Vacuum Preservation This wine stopper is designed to maintain the freshness of your wine or champagnee for an extended period outperforming regular wine stoppers with its superior vacuum function No additional tools are required simply rely on its built in vacuum mechanism to preserve your beverages Wide Compatibility The stopper fits seamlessly with a variety of bottle types including red wine merlot and champagnee Its universal design ensures a snug fit with most standard wine bottle necks making it a versatile option for your collection User Friendly Operation Using this stopper is straightforward Place it on the bottle neck press the button multiple times until the air is fully evacuated and the button stops rising The ease of use makes it an excellent choice for both casual wine drinkers and connoisseurs Date Setting Dial Monitor your wine s freshness by using the built in dial to set the sealing date This feature helps track the storage time ensuring that you enjoy your wine at its optimal flavor and quality duration Compact and Stylish Design Measuring only 7×4 5x3cm this stopper is portable and easy to store Its sleek design enhances the elegance of your wine bottles while providing a practical solution for wine preservation Package Included 1 2 x Wine Bottle Stopper