the cork has a very good airtight and leak proof seal, excellent sealing, can keep your wine fresh and maintain the most natural taste of wine. High Quality Material: The surface of the wine bottle stopper is made of food grade PP material and food grade resin rubber, hygienic and safe, and can be reused. Easy to Use: You can easily close and remove these plugs without using other tools. Simply insert the cap into the neck of the bottle and press the lever to close it. Wide range of applications: Universal bottle cap size, you can use it on most bottles. For example, red wine bottles, whiskey bottles, beverage bottles, beer bottles, bottles edible oil, etc. are used in many places. Easy to Clean: The cap is very easy to clean, you can just soak it in lukewarm water or wash it in soapy water. It can be safely cleaned in the dishwasher. Technical data Size: 7 cm * 3.4 cm Weight: 14.2 g Material: PP Color: black Packing list 5 * bottle cap