Keep Fresh: Lythor wine bottle stopper is a 2-in-1 preserver, integrated pump with stopper. The wine preserver minimize wine oxidation by sucking the air out of the bottle. (Just pump the vacuum wine stopper several times until it sucks itself tightly.)The wine bottle is seal anti-leakag to help preserve the wine's flavor and keep the wine tasting fresh..Date Dashboard Design: vacuum stopper have numbers and dates on top which can record the time you last opened. Easy for wine saver to control the tastes for the wine, wouldn't miss the tastes time for the wine..Easy Use: You can pump the vacuum wine stopper several times until it sucks itself tightly. And turn the dial to point the time you want to record the time you last opened..: The wine stopper is made of ABS and Food Silicone, which is and per . It's BPA-, food- , odor-, reusable and for everyday use. Great for a household, hotel, club, bar and more to use..: The wine stopper is made of ABS and Food Silicone, which is and per . It's BPA-, food- , odor-, reusable and for everyday use. It's to human body, non- toxic and tasteless, -class wine accessory. Suitable for most red or white wine bottles (The inner diameter of the mouth of a wine bottle is 18-19mm). Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.