What's wrong with the bottle cap of red wine?
After the general red wine opens, and in the air oxygen contact, needs to drink in 48 hours. If you really need to save it, buy a special bottle stopper instead of the bottle stopper and place it in a cool, dry place.
Red wine corks are usually made of cork or rubber. In the production, transportation, sales process, the wine bottle and the cork will contact the stopper swell, better protection of the wine in the bottle. After opening, because the cork swell, the volume ratio of bottle, of course not covered.
