Funtainer

I even added hot water to warm up before hand but its Thermos pasta was cold.
It keeps the hot water hot for hours, but the pasta was cold after only one hour.

Is this the brand Thermos? It is the brand I use and it keeps my soup hot girls.

Using your bad
IT does not store heat like a pot of tea
If you put it in hot water it will make you warm in cold stays cold
check cut from the inside
vacuum and think - - no air - - No heat transfer

http://en.wikipedia.org/wiki/Vacuum_flas ...