- Ultimate Sparkle Preservation : This innovative champagne bottle stopper features a built-in pump system that maintains optimal pressure, keeping your sparkling wine fresh and effervescent until the very last drop. - Easy to Use : Simply place the stopper on the bottle, fold down the hinged lids to secure it, and press the button until you feel resistance, which indicates an airtight seal. - Compatibility : Specifically designed for standard glass bottles of Champagne, Prosecco, Cava, and other sparkling wines. The built-in date recording feature helps you track when the bottle was opened. Not suitable for red or white wines. - Durable Construction : Made from high-quality stainless steel and ABS material, ensuring a leak-proof and airtight seal for reliable long-term use. Easy to clean and dishwasher safe. - Perfect Gift Set : This product comes in a set of two, making it an excellent choice for gifts, gift bag fillers, or stocking stuffers for wine enthusiasts. - Practical Use Cases : Ideal for celebrations, casual gatherings, or simply enjoying a glass of sparkling wine at home. Preserve the freshness of your favorite bubbly for extended enjoyment without losing fizz.