Vacu Vin Wine and Champagne Bottle Snap Thermometer - Purple Check the temperature of your wine and champagne without opening the bottle! Simply 'snap' the flexible band around the outside of any bottle and watch as the temperature is displayed (in different colors) on the front of the thermometer. Contains 1 Snap Thermometer Included in the box is a wine and champange reference chart showing the perfect temperature for a variety of wines and champagnes. Developed and made in the Netherlands