Keep your drink at the appropriate temperature in the outside container to enjoy your favorite temperature for longer.
Fill the container with warm water from about 176°F to 194°F (80°C to 90°C) for 6 to 7 minutes, and insert the profit into the container. Wait for 3 to 5 minutes and enjoy the warm Japanese sake with a mellow and flavorful experience.
Simply fill it with ice water instead of hot water and enjoy the cold and delicious cold liquor.