Package information: Bottle stoppers that are reliable in quality and sufficient in quantity to easily meet your daily and replacement needs. Suitable for various occasions and can be shared with others. Practical bottle stoppers: These resealable wine pump vacuum stoppers are designed for use with wine vacuum pumps (pumps not included). When used with a vacuum pump, they effectively remove air from bottles, helping to preserve wine and maintain freshness. Applicable occasions: These reusable wine saver vacuum stoppers are ideal for home use as well as restaurants, hotels, cafes, and bars. The included quantity provides ample supply for immediate needs. Easy to use: Insert the wine stopper into the bottle opening and attach the vacuum pump. Pump until you hear a click, indicating the bottle has been successfully sealed. This simple process saves time and helps extend the life of opened wine. Strong adaptability: These black vacuum wine stoppers are standard size and compatible with most wine bottles, including red and white wine. They offer a secure fit without concern for mismatch. Color: Black Material: Silicone Size: 4.2 x 3.3 cm Package Contents: 24 x Wine stoppers Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.