2Pack Vacuum Stopper >>> The vacuum wine stopper is easy to use, insert the stopper fully and firmly into the bottleneck, press the upper part for several time to pump out the air inside the bottle, until the upper part bounds back less than 1 cm, rotate to record the preserving date, preserve the wine's flavor Silicone Inner Plug >>> The inner plug is made of food-grade silica gel, which has a good effect. Tight vacuum & great durability keeps wine tasting fresh up to 7 days Date Marks >>> There are date scales on the vacuum wine stopper, after the pumping operation, the storage date can be recorded by rotating the top cap Widely Use >>> This vacuum wine stopper fits most wine bottles, prolongs the wine freshness, 2pcs you can store 2 bottles of wine at the same time Great Gift >>> Perfect gift for using daily home, party, wedding, birthdays, wine tastings, festivals, wine bars, restaurants, wine lovers etc. Keep Wine Fresh Very easy and efficient to use, insert the stopper fully and firmly into the bottleneck, press the upper part for several time to pump out the air inside the bottle, until the upper part bounds back less than 1 cm, rotate to record the preserving date. This slows down the oxidation process to keep the wine fresh up to 7 days, 2pcs vacuum wine stoppers can store 2 bottles of wine at the same time. Package Included 2Pack Vacuum Wine Stopper