Here's a reply from them (in response to thermos related comments):
'the technology behind them is similar, but Chilly's Bottles are aimed much more at the everyday reusable water bottle market, than the hot drinks thermos market. Generally, thermos flasks are larger, and quite cumbersome to...
Hi Guys,
2 of my friends I used to work with have got a project they're putting together, creating and selling drinks bottles that keep cold drinks ice cold, and hot drinks piping hot for up to 24 hours
They can be bought for £15 here (which is their indiegogo page) or get an early bird...