product description 1.Sealed Keep Wine Fresh: the mini wine sealer provides an air-tight seal, locks the gas in the bottle, to preserve the opened wine bottle. Wine bottle stoppers suitable for all regular red & white wine bottles with an inner diameter 2.More convenient to use: the red wine saver corkscrew adopts a rotating design. It is convenient and fast to rotate the top counterclockwise to loosen, and clockwise to tighten. 3.Light and clever design: silicone wine stopper the rounded arc design that fits the sparkling wine bottle is not only lightweight and weighs about, but also has steel balls inside, which can clamp the bottleneck. After installation, even if it is tilted or lay in the level , it will not leak. 4.Easy to Storage: the size of this wine bottle stopper is which is small in size and easy to store. The round wine stopper shell is made of wear-resistant ABS material, which is easy to clean. The internal seal of the wine bottle stopper is made of food contact grade silicone material, which is safer.