Package information: Bottle stoppers are of quality and sufficient quantity to easily meet your daily use and replacement needs. They are suitable for various occasions and can be shared with others. Practical bottle stoppers: These resealable wine pump vacuum stoppers are designed for wine vacuum pumps (pumps not included). When used with vacuum pumps, they can easily remove air from bottles, allowing wine to be stored properly. Applicable occasions: These reusable wine saver vacuum stoppers are suitable not only for home use but also for restaurants, hotels, cafes, or shopping malls. Sufficient quantities available to meet your needs at once. Easy to use: Simply insert the wine stopper into the bottle mouth and attach the vacuum pump. Remove the air from the bottle until you hear a click, indicating that the bottle has been successfully sealed. The design is user-friendly and time-saving. Strong adaptability: These black vacuum wine stoppers are of standard size and fit most wine bottles, including red and white wine bottles. They serve as practical helpers without worrying about model mismatches. Color: Black. Material: Silicone. Size: 4.2 x 3.3 cm. Package Contents: 24 x Wine corks. Only the listed package content is included; other items are not. Note: Lighting and display differences may cause slight color variations in the product image compared to the actual item. A measurement error of 1-3 cm is allowed.