KEEP FRESHNESS LONGER – By injecting air into the champagne bottle, the champagne cork helps preserve the freshness and flavor of your sparkling wine, keeping it tasting as if just opened. MARK DATE DIAL – Easily mark the opening date of your sparkling wine directly on the cork to help remember when the bottle was opened. HIGH QUALITY – Lightweight and durable vacuum pump designed for champagne preservation. Features food-grade silicone sealant and ABS material construction. Equipped with a stainless steel wing lock for double security to prevent leaks. Intended for use with champagne and sparkling wine only. EASY TO USE – Place the cork on the bottle, close the latches, and press the ergonomically designed button to remove air. Quickly seals various glass bottles of champagne, prosecco, cava, and other sparkling wines, allowing you to enjoy over time without waste. PERFECT GIFT – Ideal for weddings, parties, holidays, birthdays, housewarmings, graduations, and other celebrations. A practical and thoughtful accessory for wine and champagne lovers.