A must-have companion for wine lovers, this constant - temperature wine cooler bag is tailored for your wine - tasting pleasure. Made of food - grade PEVA material, it is safe, odorless and can directly contact the wine bottle. With an innovative layered water - injection design, it forms an even ice pad after being filled with water, which can 360° fit the bottle body. It quickly cools the wine down to the optimal drinking temperature in just 15 minutes, allowing you to enjoy a refreshing taste at any time.

Equipped with a sealed buckle, it offers double leak - proof protection, so you don't have to worry about water spills. The foldable storage design makes it only the size of a palm when not filled with water, easy to store and carry. It is perfect for home gatherings, outdoor picnics, winery trips and other occasions. It fits most wine bottle types on the market, including red wine, white wine and sparkling wine, and is a practical item to enhance your wine - tasting experience.