?? Safe Wine Bottle Saver Caps - The use of high-quality food silicone materials, FDA certification, safer and healthier. It will not rust, crack or fade like other steel stoppers. It is an excellent substitute for cork stoppers?? Reusable Wine Saver - These Beer stopper are Easy to use, They can be removed by just pulling them, Easy to clean, Can be used multiple times without deformation and can withstand high and low temperatures of -104~482 degrees Fahrenheit. (You can put these in the dishwasher for easy cleaning!)?? Wine Stopper Size -?Bottle cap width: 3CM / 1.18 inches, Good flexibility, Suitable for all kinds of Wine Bottles, Champagne, Beer Bottles, Sparkling Wine Bottles, Homemade Wine Bottles, Beverage Bottles and Kitchen Tools... Magic Hat Wine Stopper: Black