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 convert it into a wine pouring device, enhancing the taste of your wine. This 2-in-1 design offers practical convenience for everyday use. Safe Material and No Leakage: Made with high-quality food-grade silicone interior and durable ABS exterior, this wine stopper is non-toxic and safe for human use. The silicone seal fits most wine bottles with an inner diameter of 18-20mm. It inserts easily and provides an airtight seal to preserve the flavor of your wine. Dual Function and Wide Application: This product combines the functions of a leak-proof bottle sealer and a drip-free red wine pourer. It is a versatile wine accessory suitable for various occasions, including daily use, family gatherings, dinners, and more. To clean, simply rinse with cold water, dry with a cloth, and store. Convenient and easy to maintain.