Descriptions:Soft Material: The bottle stopper is constructed from silicone material, which is not easily deformed, excellent at sealing, reusable, has no crumbs and has long-lasting durability.Ergonomically Shaped Design: Unique design making it easy to handle and control when inserting or removing it from wine bottles. In addition, the simple design of these stoppers makes them easy to clean, simply wash them with water and dry with a towel.Easily Preserves Freshness: Vacuum design for tight sealing, making it not easy to leak, spill, and modify the taste of wine. It effectively locks in the flavor and extends the storage duration of the liquid inside. (Vacuum pump is not included.)Wide Applications: The wine bottle stopper is a perfect utensil for families, restaurants, bars, hotels, etc to maintain leftover red wine or other drinks. It is designed to suit most wine, beer, and champagne bottles, can also be applied to oil, beverage, glass bottles and more.Specifications:Material: SiliconeColor: BlackPlug Diameter: 17mm/0.67inchTop Diameter: 32mm/1.26inchHeight: 40mm/1.57inchPackage Content: 8 x Wine Stopper