High-quality anti-rust material: The wine stopper is made of food-grade stainless steel. It is non-slip, rust-proof, corrosion-resistant, does not tear, and does not fade, even when used in direct contact with food. It is a safe and non-toxic high-quality wine bottle accessory. . Keep wine fresh: These stainless steel wine bottle stoppers can help you keep your wine fresh. If you're drinking alone, you don't have to worry about drinking incomplete bottles. With a wine stopper, you can still drink fresh wine the next day. . Vacuum champagne bottle stopper: The champagne bottle stopper has excellent sealing performance, which can keep your drinks fresh for a long time, protect them from carbon dioxide loss, and prevent insects from entering, even if the wine bottle is placed flat in the refrigerator. Don't worry about the liquid inside the bottle leaking out. . Easy to Use: When sealing, simply slide the champagne bottle stopper into the top of your wine or champagne bottle. When you need to open it again, simply press the top button. They are easy to clean, reusable, and easy to store.