Package contents: You will receive black stainless steel champagne stoppers, designed to preserve the bubbles in your champagne, prevent leakage, and keep your champagne or other beverages fresh. Please note that after the stopper is inserted, it is not recommended to shake the bottle. Easy to use: These reusable champagne stoppers are very easy to use. Insert the stopper into the bottle neck and then firmly press the handle to ensure an airtight seal. The champagne bottle stopper measures approximately 6.9 x 4.9 cm and fits most bottles. Excellent seal: This stopper is equipped with a silicone gasket that ensures a better seal and helps preserve the champagne after the party. Reliable materials: Made of stainless steel and rubber, these stoppers are sturdy and durable. They are resistant to corrosion and rust, keeping your wine fresh for a long time. Multiple uses: These champagne bottle stoppers are versatile and suitable for all types of parties and events: weddings, birthdays, baby showers, etc. You can use them at home or in a bar, restaurant, or even as a waiter or bartender.