This stylish insulating sleeve chills wine in just a few minutes and maintains it at an optimal temperature for several hours. Just store it in the freezer and place it on the bottle when needed to chill it to the desired temperature. The tapered top and elastic sides give the wine or champagne bottle a snug fit to maximize the cooling process. The Wine Cooler Sleeve is perfect for any wine drinking occasion, picnics or outside events, also makes a great gift.