After opening a bottle of red wine, contact with oxygen for a long time, the alcohol will be oxidized into acetic acid, resulting in loss of wine, the more expensive the more wine to avoid contact with air. How to save the wine after opening it?Vacuum environment is the ideal choice!【Features】:1, vs01s improved models, lower cost, exhaust more scientific, economical and practical, it is worth to choose.2, food-grade silicone, environmental protection, health; has passed the German LFGB, the United States FDA certification; PC material through high permeability, durable.【Operation】:1, the vacuum stopper into the bottle mouth, pull the piston rod up and down (750ML empty bottle about 80 to 120 times), the more suction the more suction the more tight, until the release of the rod will automatically reboun d, the bottle has been Close to the vacuum.2, after the preservation of fresh water (drink another day change), spin (or left and right swing) pull out wine stopper can be.Product packaging: small black box, color box, or affordable PE bag.
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