Recently we bumped into a topic on which container holds the temperature the longest. This is posted here in "food and drinks" rather than "coffee brewing" since we are not just talking about keep your coffee hot the whole day but keeping your cold drink too.

Below are the following outdoor stuff that i have and my review.

Here im testing this chinese solid fuel, using my foldable stove.

Half a liter of water boiled at around 8 minutes and the fuel burnt out almost 12 minutes.