Gift Republic Blue Willow Pattern Fish Thermos FlaskColor: Multicolor Style: Fish Thermos Flask The thermos flask has a vacuum sealed space between the inner and outer walls, which greatly reduces heat transfer This means that hot liquids will stay hot for several hours, while cold liquids will remain cold for even longer Thermos flasks are versatile and can be used to keep a wide range of liquids at their desired temperature, including coffee, tea, soup, and cold beverages like water and juice Item