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A thermos bottle is a bottle with a double wall, these keep liquids at a constant temperature. The bottle consists of an outer bottle and an inner bottle. Sometimes a thermos flask consists of a metal flask with a glass inner flask. These days thermos flasks increasingly consist of a metal outside and inside bottle. There is an 'empty' space between these two bottles. This makes the heat transfer impossible.
You also have the different forms of caps. e.g. push-top or a screw cap.
The possibilities are endless. You can use a thermos bottle for almost everything, for which you also use a normal drinking bottle. The advantage of a thermos bottle is only that you can keep your drinks / liquids warm, but also cool.
This can differ per thermos flask. If the precise time is known about this, we have mentioned it with the product. You can generally keep this up. 12 hours hot and 24 cold. Now you have to keep in mind that about half the time the liquid has the same temperature as it was poured in. The liquid is still warm after 6/7 hours, but of course not the same temperature.
Do you take a hot drink with you in the thermos flask? First rinse the bottle with hot water. Do you take cold drinks in the bottle? First rinse the bottle with cold water.
For your child at school. As a replacement for the regular school cups.
Are you in doubt or do you want to know more? Please contact us