olwick Champagne Bottle Stoppers Corks with Silicone Caps, Resuable Plastic Plastic Bottle Stopper  (Black)

Keep Flavor for Days: Helps provide an air-tight seal to prolong the freshness of your wine, So much better than using the original corks Leak-Proof: 4 Steel Balls designed inside to grip the bottle neck, It seals so well that you may put the bottle upside down or lay it down in your fridge without any leaks Easy to Use: Extremely easy to use with no pumps needed, Just place it and rotate, clockwise to lock, and anti-clockwise to unlock For Cork Style Bottles: One for red & white wine bottles, the other for champagne/sparkling bottles, the stoppers only for bottles sealed with corks, not bottles with screw tops