High quality silicone: Made of food grade plastic, silicone and stainless steel, it is reusable and durable, safe and healthy.. Overall design: Two sections of silica gel are provided with good sealing performance with a lever handle, the handle is depressed, and the cap achieves the expansion effect to seal the mouth of the bottle.. Keep cool: The grooved design on the inside wall keeps your wine fresh and delicious.It slows down the oxidation process, keeps better than the original cork, prolongs and maintains the fresh aroma of wine and gives wine a natural fresh smell.. Easy to use and reuse: 5 different colors can be used as bottle markers, you can use these markers to mark wine bottles creatively.Therefore, you don't have to worry about finding the wrong bottle.. Wide range of uses: Suitable for all red wines and white wines, can also be used to seal mineral water, beer, champagne, vinegar, oil, etc., very suitable for family bars, birthdays, parties or parties.parties..