Preserve the festive fizz in your favorite champagnes and sparkling wines with this easy-to-use tool. Its food-safe rubber seal keeps air out and bubbles inside an opened bottle even when the bottle is stored on its side. This crown resealer preserves the carbonation in an opened bottle of champagne or sparkling wine.Simply place the device on top of the opened bottle, then flip down the lever to lock in pressure.Compatible with any size bottle, including magnums.