Filled it at 5pm with boiling hot water.
Left it outside overnight.
Went to pour it over my hand at 6pm the next day to check how warm it still was and almost burnt myself!
Highly recommended."... Read all reviews
"Really does what is said on its labels. I have found this flask useful for making breakfast. Put hot food in the evening and eat hot or warm food in the morning. Also this flask is right sized. I am"... Read all reviews
"This flask will hold 7 mugs of drink & keep it hot all day. I bought 2 of these so had 1 for soup & 1 for coffee good for both. The extra choice of unscrewing more of the lid makes it easier to fill."... Read all reviews
"The quality is excellent. It seems robust and keeps the contents hot. Thus far I've only had need to keep food in the flask for a couple hours.
Would have had a 5 star rating if it was supplied with"... Read all reviews