This amazing Vin Bouquet Stretch Thermometer Cooler Sleeve is removed from the freezer and placed in the bottle to chill. It keeps the drink cold for several hours and thus avoids the use of ice cubes in addition to saving bottle space in the refrigerator. It is reusable, flexible and resistant. It has a comfortable elastic to adjust the cover to each bottle. The most surprising thing is that it has an indicator which indicates the temperature of the case to know the optimal time to change it.