Unique 2-in-1 Design: The wine aerator pourer features a flower petal-inspired design. When the petals are folded and overlapped, it functions as a bottle stopper with excellent sealing performance, ideal for preserving red wine. Twist the stopper to the right to separate the petals and transform it into a wine pouring device that enhances the taste of your wine. This 2-in-1 design offers convenience for everyday use. Safe Material and No Leakage: Made from high-quality food-grade silicone interior and durable ABS exterior, this wine stopper is non-toxic and safe for use. The silicone seal fits most wine bottles with an inner diameter of 18-20mm. It provides an airtight seal to help preserve wine flavor and prevent leakage. Dual Function and Wide Application: This product serves as both a leak-proof bottle sealer and a drip-free red wine pourer. It is a practical wine accessory suitable for various occasions such as daily use, dining, family gatherings, and business dinners. To clean, simply rinse with cold water, dry with a cloth, and store. Easy to maintain and convenient to use.