Usage Tips:Package information: bottle stoppers, which are reliable in quality and sufficient in quantity to easily meet your daily use and replacement needs They are suitable for various occasions and can be shared with your friendsPractical bottle stoppers: these resealable wine pump vacuum stoppers are designed for wine vacuum pumps (pumps are not included), which together with vacuum pumps can easily remove air from bottles, so that wine can be stored longer and kept freshApplicable occasions: these reusable wine saver vacuum stoppers are not only suitable for daily use at home, but also for restaurants, hotels, cafes, bars or shopping malls Sufficient quantities can meet your needs at one timeEasy to use: you need to insert the wine stopper into the bottle mouth and vacuum pump, to remove the air from the bottle until you hear a click, which indicates that the bottle has been successfully sealed and easy to use, saving you more timeStrong adaptability: these black vacuum wine stoppers are of general size, which are almost suitable for most wine bottles, such as red wine and white wine, etc. They are practical daily life helpers without worrying about model mismatchcolor:BlackMaterial:Silica gelsize:4.2 x 3.3cmPackage Contents:24 x wine corksOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.