KEEP LONGER FRESHNESSBy pusing air into the champagne bottle,the champagne stopper keep your sparkling wine fresh and flavorful like just open.DATE DIAL MARKEasy mark your sparkling wine opening date on champagne bottle stopper,Remind you the sparkling wine opening date.HIGH QUALITYLightweight& impact-resistant of vacuum pump and champagne saver. With food-grade silicon stopper sealer, ABS material compliance. Dual Secure from Stainless Stell Metal Wing Lock.No Leak! Only used for champagne and sparkling wineSIMPLE TO USEFit the stopper into the bottle, close the latches then push the air in to the champagne bottle with ergonomic design press button. Can easily seal any glass bottle of champagne, prosecco, cava and sparkling wine,no need to drink all in one time.PERFECT GIFTFor any occasion including wedding, barware party, holiday, birthdays, housewarming, graduations etc. Good helper for storing wine and champagne.