Package information: Bottle stoppers are included in sufficient quantity for daily use and replacement needs. They are suitable for various ocns and can be shared with others. Practical bottle stoppers: These resealable wine pump vacuum stoppers are designed for use with wine vacuum pumps (pump not included). When used with a vacuum pump, they help remove air from bottles, allowing wine to be stored longer. Applicable ocns: These reusable wine saver vacuum stoppers are ideal for home use, as well as restaurants, hotels, cafes, and similar settings. The provided quantity meets multiple usage needs at once. Easy to use: Insert the wine stopper into the bottle opening and attach the vacuum pump to remove air until a click is heard, indicating the bottle is properly sealed. Simple and time-saving operation. Strong adaptability: These black vacuum wine stoppers feature a standard size that fits most wine bottles, including red and white wine. They offer reliable performance without compatibility concerns. 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. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowance is +/- 1-3 cm.