Features1. Easy to use, Insert the stopper into the bottle and press the lever to seal the bottle2. The airtight seal plug creates a leakproof seal to extend and protect the open bottles3. Wide application, used for sealing mineral water, wine, beer, champagne, vinegar, oil, etc4. It is made of PP plastic and the stopper is made of durable rubberSpecificationMaterial: PP+RubberSize: 7x3.2cmColors:Black,WhitePackage Includes:1 x Bottle Stopper