Recolte Easy Wine Keeper The [Easy Wine Keeper] removes air from wine bottles to reduce oxidation and preserve wine in delicious condition. It features a compact design with an integrated cap and pump. ◆ Keeps unfinished wine delicious! Wine oxidizes when exposed to air, gradually changing its flavor. Simply insert it into the wine bottle and pump a few times to remove the air, reducing oxidation in unfinished wine. ◆ Convenient features you'll appreciate In addition to sealing, it has a date marker that indicates the degree of air removal and the opening date, making it convenient for managing your wine. Size: Approximately W4.2 x D4.2 x H5.7cm (main unit) Weight: Approximately 46g This is a new, unused item, but it has been stored at home, so please understand this before purchasing.