Bottle stoppers are devices used to seal the opening of a bottle, preventing the contents from spilling or going stale. They come in various materials, including cork, plastic, and metal, and are commonly used for wine, soda, and other beverages. A good bottle stopper helps maintain the freshness and flavor of the liquid inside. In addition to their practical use, bottle stoppers can also be decorative. Many people collect unique stoppers made from glass, ceramic, or even wood. Some stoppers feature artistic designs or themes, making them popular as gifts or collectibles for enthusiasts of wine and other bottled drinks.