Package information: Bottle stoppers, reliable in quality and sufficient in quantity to meet daily use and replacement needs. Suitable for various occasions and can be shared with friends. Practical bottle stoppers: Resealable wine pump vacuum stoppers designed for use with wine vacuum pumps (pump not included). When used with a vacuum pump, they help remove air from bottles to preserve wine freshness and extend storage life. Applicable occasions: Reusable wine saver vacuum stoppers ideal for home use, restaurants, hotels, cafes, bars, and other settings. Sufficient quantity provided for multiple uses. Easy to use: Insert the wine stopper into the bottle neck and attach the vacuum pump. Remove air until a click is heard, indicating a successful seal. Simple and time-saving operation. Strong adaptability: Black vacuum wine stoppers feature a standard size that fits most wine bottles, including red and white wine. Practical and compatible without concern for size mismatch. Color: Black Material: Silicone Size: 4.2 x 3.3 cm Package Contents: 24 x Wine Stoppers Note: The package includes only the items listed above. Other accessories are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3 cm.