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, these stoppers help remove air from bottles to preserve wine freshness and extend storage life. Applicable occasions: Reusable wine saver vacuum stoppers suitable for home use, restaurants, hotels, cafes, bars, and other venues. Sufficient quantity provided to meet multiple needs at once. 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 in standard size, compatible with most wine bottles, including red and white wine. Practical and convenient with no compatibility concerns. Color: Black Material: Silica gel Size: 4.2 x 3.3 cm Package Contents: 24 x Wine corks Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.