Thermos Stainless King Black Food Flask 14h Hot 24h Cold
The Thermos Stainless King Matt Black Food Flask (710ml) is an insulated food jar designed for everyday use and travel. It uses Thermos vacuum insulation to keep meals hot for 14 hours or cold for 24, and has a stainless steel interior and exterior for durability. Currently priced at £14 (previously £21), so save £7.
Key features:
- 710ml capacity suitable for soups, stews and salads.
- Vacuum-insulated construction maintains temperature and keeps the outer surface cool with hot contents, and sweat-free with cold.
- Insulated lid doubles as a bowl, cutting down on extra dishes.
- Wide mouth for easy filling, eating and cleaning.
- Robust stainless-steel finish built to withstand daily use.
This compact, matt-black flask is practical for commutes, work lunches and outdoor activities, offering temperature control and simple, user-friendly design. It's lightweight enough to carry in a bag and fits many standard food storage needs while being easy to clean and maintain.
️ 4.6 / 5 based on 8,943 reviews
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The 710 ml capacity is generous and easily holds a good portion of soup, stew, pasta or a hearty lunch, so there is plenty of space for a proper meal rather than a snack-sized portion.
Build quality is exactly what you would expect from Thermos. It is well made and feels robust. The stainless steel construction with the gun metal finish looks smart and holds up well to daily use without showing scratches or wear. The lid screws on securely and seals well, which is reassuring when it is being carried in a rucksack.
Heat retention is excellent. I preheat it with hot water from the kettle for around 10–15 minutes to warm the flask properly, then add the food. Using it this way, the contents stay piping hot for hours, which makes a real difference. The wide mouth makes it easy to eat straight from the flask with a spoon and also makes cleaning much simpler.
It also works well for cold foods or drinks if needed.
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