Which flask if everyone using to keep boiled water in for whilst out and about? I haven’t used the one which comes with the rapid cool, I’m not sure how long the water stays hot for!
Thanks x
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I use the rapid cool, & use the grey flask that came with the two white ones to keep water hot. It keeps the water hot for at least 4 hours, I haven't left it for longer yet X

I have the grey one too, it's doesn't last very long i think. I bought a small thermos one off amazon for £8. We have the large one for overnight and it keeps the water boiling until the morning x

I have a thermos it’s amazing

Thermos ! Sometimes cheaper on their actual website than amazon , I haven’t even used the grey one yet that comes with the rapid cool as it doesn’t keep the water hot for long
Thermos is 24 hours x

I also have the thermos cannot fault it xx

Thermos from Amazon x

Thermos also!!!

I just got a thermos flask from Asda x