Classic Thermos territory, this Stainless King flask sits in the brand’s tougher, everyday range, competing with the likes of Stanley and other stainless vacuum bottles. The Cranberry Red finish is a bit more distinctive than the usual brushed steel, while the 470ml size keeps it portable for commuting, dog walks, or keeping in the car. Thermos leans on heat retention rather than gimmicks, so this is about dependable insulation and a robust build you can chuck in a bag without worrying.

Who is this flask for?

Anyone who wants a drink to stay genuinely hot through a morning and into the afternoon, or cold through a workday. The 18-hour hot rating suits tea and coffee, while 24 hours cold is useful for water on warm days or long journeys. 470ml is enough for a couple of mugs, without the bulk of a 1L bottle.

  • 470ml capacity, easier to carry than larger flasks
  • 18h hot, 24h cold, aimed at all-day temperature holding