BUBBLY TO THE LAST DROP: This is the first and only champagne bottle stopper with a pump on the market. Its built-in upgraded pump piston system can increase pressure in the bottle more efficiently than basic types, ensuring your sparkling wine stays fresh and fizzy till the last drop PROFESSIONAL PRESERVATION: Simply insert the champagne saver into the bottle, fold down the hinge-mounted flaps to lock onto the lower lip of the bottle, then press the button until you feel the strong resistance, signaling an airtight seal DESIGNED FOR BUBBLY: Easily seals standard glass bottles of champagne, Prosecco, Cava, and other sparkling wines. You can also rotate the button to record the date you opened the bottle. Not for red and white wine QUALITY SEALER STOPPER: HYZ Champagne Stopper is crafted from high-quality stainless steel and ABS, so you can rely on it for long-lasting performance, providing you 100% leak-proof and airtight sealing! Dishwasher safe IDEAL GIFT: Comes in a set of 2 in a box. Perfect to make a gift, goodie bag filler, and stocking stuffer Love the fizz but can't finish the entire bottle? Champagne lose its bubble after opening? Then you need a HYZ handy champagne stopper with vacuum. Built-in UPGRADED pump piston system can efficiently increase the pressure in the bottle to preserve the bubble. Top of the line technology can keep your sparking wine from going flat too quickly and keep it fresh for up to one week after opening. Champagne Stopper with Built-in Pressure Pump - Bubbles Being Preserved 100% SAFE FOR YOUR HEALTH Made of high quality stainless steel, ABS and food grade silicone. Has sleek finish and no odor. RETAIN FRESHNESS OF YOUR SPARKLING WINE Sealing is not enough. We added a built-in-pump to our stopper, to make sure that your beverage's bubbles won't go to waste. FITS STANDARD SPARKLING WINE BOTTLES This stopper is designed with universal measurements to fit any bottle of champagne, cava, Prosecco and sparkling wine.