High-quality Silicone Material: Bottle stoppers are made of high-quality silicone material with good toughness and resilience. Compared with cork and stainless steel stoppers, it is not prone to aging and mildew. Easy to Use and Wash: Smooth and burr-free design with refined edge treatment. Easy to remove and install. Simply press the cap into the bottle neck for use. Rinse with clean water for cleaning. Spiral Cone Design: These wine bottle stoppers feature a spiral shape that provides strong airtightness and fits snugly to the bottle opening, effectively preventing liquid leakage. Suitable for Most Bottles: Sealed and oxidation-resistant, suitable for a variety of bottle openings. Helps preserve and extend the freshness of opened bottles. Ideal for wine bottles, cocktail bottles, beer bottles, soda, cola, and other beverages. The Best Gift for Wine Lovers: Silicone wine stopper is a practical gift for wine enthusiasts and a useful accessory for wine service. A thoughtful choice for friends and family who enjoy wine.