1. Premium Material: These champagne stoppers are made of stainless steel and food grade silicone, which are smooth and strong, anti-corrosion and rust-proof, and can be used for a long time to keep the wine fresh. 2. Strong Sealing: The champagne bottle stopper are designed with selected silicone to provide a better seal while being safe and healthy to extend and preserve the opened champagne bottle, keeping the wine fresher for longer. 3. Size Information: The champagne cork sealer is approximately 2.6 x 1.9 inches, the right size will easily fit most champagne bottles. Can be used in Prosecco, Cava and sparkling wines etc. Please check the size before purchasing. 4. Easy to Use: These reusable champagne stoppers are easy to use, just insert the cork into the bottle and snap the cork handle to the neck of the bottle. When you hear a click, it's done. Easy to clean, just rinse and wipe to clean. 5. Wide Application: These stainless steel champagne wine stoppers are suitable for a wide range of parties and events, weddings, anniversaries, birthdays, etc. You can also prepare them at home or in bars and restaurants.