Package Information: Bottle stoppers – reliable in quality and sufficient in quantity to meet your daily and replacement needs. 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 wine bottles, helping preserve wine freshness and flavor. Applicable Occasions: These reusable wine saver vacuum stoppers are suitable for home use, as well as restaurants, hotels, cafes, and retail stores. The quantity provided meets typical usage needs. Easy to Use: Simply insert the stopper into the bottle opening and attach it to a compatible vacuum pump. Pump until you hear a click—indicating a successful seal. This ensures convenient, time-saving wine preservation. Strong Adaptability: These black vacuum wine stoppers feature a universal size, fitting most standard wine bottles—including red, white, and sparkling wines. They offer reliable performance without compatibility concerns. Color: Black Material: Food-grade silicone Size: 4.2 x 3.3 cm (approx.) Package Contents: 24 x wine stoppers Note: Actual color may vary slightly due to monitor settings and lighting conditions. Measurement tolerance: ±1–3 cm.