A flask is very handy in any weather, to preserve both hot and cold liquids. This flask comes with glass and is long lasting. It can retain the temperature of either hot or cold liquids. It has a screw touch opening. It is compact and easy to carry. If you know you are going to need plenty of hot or cold drinks throughout the day, why not invest in the Thermos Pump Pot. With a capacity this pump pot would be perfect for camping holidays or maybe you are hosting a coffee morning and you do not want to switch the kettle on all morning.