PackingThe package comes with 3 pieces of Sealed Stopper with a Built-in Pressure Pump. The wine bottle topper has 3different colorsEnough for home or party use.Size:9.5*3.2cm/3.7*1.3inch. High-Quality MaterialOutset wine stoppers made from Food Grade silicone, durable, unbreakable, reusable, and never rust. They are easy to clean and dishwasher safe. Air Tight and Strong SealThe silicone wine bottle stopper keeps your remaining wine fresh and provides a leak-proof airtight seal. The groove design on the inner wall will keep your wine firm and leak-proof. Easy to UseJust press down the bottle stopper to the bottom, and then press down the handle, achieving an expansion effect, sealing the bottle mouth. Widely Use It's flexibility and air-tightness used for most beer, wine, coke bottles, etc, even in some larger styles, without fear of leakage. You can apply them in lots of places such as birthdays, festivals, evening parties, weddings, and homes.