No Spill or Leak: The champagne cork optimizes the internal structure, makes the cork and bottle mouth fit closer, tightly locks the gas in the bottle, prevents the bubbles from dissipating slowly after opening the bottle, and prolongs the freshness of the wine. . SAFE MATERIAL: The vacuum rubber wine stopper is made of high-quality and durable food-grade silicone inside, and the outside is made of food-grade ABS. It is safe to human body and non-toxic. . Special design for easier grip: The champagne corks have a more harmonious style, mini size, delicate and easier to store. There are 3 small grooves on the cork that fit the fingertips, which is more convenient to rotate and avoid hand slipping. Widely used: suitable for most red wine and champagne bottles, wine bottles, champagne corks are reusable and easy to clean. How to use: To use this perfect beer protector, twist lock design, just turn the upper part of the wine cork to unlock, then place it into the bottle mouth to tighten, then turn the upper part of the champagne cork back to its original position and done.