KEEP FRESHNESS LONGER By injecting air into the champagne bottle, the champagne cork keeps your sparkling wine fresh and flavorful as just opened. MARKDATE MARK DIAL Easily mark the opening date of your sparkling wine on the cork of the champagne bottle, remember the date of opening the sparkling wine. HIGH QUALITY Lightweight and shockproof vacuum pump and of the champagne saver.With food grade silicone sealant, conform to ABS material. Stell stainless steel wing lock double security. No leaks Used only for champagne and sparkling wine EASY TO USE Place the cork in the bottle, close the latches then push the air out into the champagne bottle with an ergonomically designed push button. Can easily seal any glass bottle of champagne, prosecco, cava and sparkling wine, no need to drink it all at once. G PERFECT GIFT For any occasion including wedding, party bar parties, holidays, birthdays, housewarmings, graduations, etc. Good helper for storing wine and champagne.