Package information: Bottle stoppers, reliable in quality and sufficient in quantity to meet daily use and replacement needs. Suitable for various ocns 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, helps remove air from bottles to preserve wine freshness and extend storage life. Applicable ocns: Reusable wine saver vacuum stoppers ideal for home use, restaurants, hotels, cafes, bars, and other settings. Sufficient quantity provided to meet immediate needs. Easy to use: Insert the wine stopper into the bottle neck and attach the vacuum pump. Remove air until a click is heard, indicating successful sealing. Simple and time-saving operation. Strong adaptability: Black vacuum wine stoppers feature a standard size suitable for most wine bottles, including red and white wine. Practical solution for everyday use without compatibility concerns. Color: Black Material: Silicone Size: 4.2 x 3.3 cm Package Contents: 24 x Wine Stoppers Note: Light and display differences may cause slight color variations between image and actual item. Measurement allows an error of +/- 1-3 cm.