The inner taper thread design of the wine stopper improves the seal ability of the wine, Avoids air contact and leakage, and prolongs and maintains the freshness of your favorite wine/beverage. Using food silicone materials, will not be deformed after repeated use. It is an essential tool for household kitchens and bars. They make a great gift for any wine lover and also for any bottled drinks. It can withstand -40 to 230 degrees, you can boil the wine stopper in boiling water before use to sterilize it.
