Perfect SealingThe vacuum wine stopper has an improved internal sealing structure, which is very suitable for the mouth of the bottle, preventing the bubbles from dissipating slowly after opening the bottle, and prolonging the freshness of the wine. Simple OperationThe champagne stopper keeps bubbles has a twist-lock design, simply twist the top of the stopper to unlock it, which is more efficient and easier to use with 3 small grooves on the surface, can better apply force and prevent slippage. Safe MaterialThe exterior of the red wine stopper is made of ABS material. The inside of the bottle stopper is made of food grade silicone.wine bottle caps surface is smooth without sharp edges,Easy to clean, just rinse with water and wipe dry. Wide ApplicationThe champagne stopper is suitable for most standard wine, beer, champagne and soda bottles. It can be used on various occasions, such as weddings, homes and bars. It is also a great gift for best friends who love wine. Shipping quantity:4; piece