This food flask is one of the most affordable around for its size and we especially loved how lightweight it was. It also did a great job of keeping our food warm for the full 9 hours. Material: 8/8 Pro-Grade Stainless Steel, Capacity: 591 ml, Hours cold: Unspecified, Hours hot: Unspecified. What is the best soup flask?

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The ones that will keep your food warm for longer will generally cost more, but they can also be more versatile. The lid can be a major functional part of any kind of flask. Just like drinks flask which utilise the lid as a miniature cup/mug, so do food flasks have convertible lids. It might be a pertinent consideration, especially if you’re getting a food flask for camping or hiking trips, to have a flask with a lid that doubles up as a bowl. Some also come with foldable spoons, meaning cutlery becomes one less thing that you have to bring. Materials The Hydro Flask insulated food jar was one of the simplest designs we tried and the 28oz (828ml) version offered some serious capacity. You can also get a smaller 20oz (591ml) version, though. The vacuum flask also has a screw-top lid with a seal that helps to stop heat from escaping from the opening. You can also get larger ones of over 800ml, which might suit one very hungry person or a lighter lunch for two.Some flasks are dishwasher safe, which makes cleaning really easy but it’s always best to wash it by hand if possible. For any stains or bad odours, simply add a couple of teaspoons of bicarbonate of soda to the flask and then top up with hot water. On a budget – The 720°DGREE wunderJar Food Flask makes for surprisingly good value for those not wanting to overspend on a food flask. Even with its environmentally-friendly credentials, which often come with a little extra on the price tag, this particular flask is very reasonably-priced for a flask with a solid amount of volume for single portions and exceptional build quality and style. Our fantastic customers are the most important part of our business and we guarantee we'll be there for you during your journey with us. Plus, the tapered top of the flask means it’s much easier to drink out of - but of course, you can use the foldable spoon as well. How does a vacuum flask work?

SHO Food Flask - Vacuum Insulated, Double Walled Stainless SHO Food Flask - Vacuum Insulated, Double Walled Stainless

France, Germany, Italy, Spain, Ireland, Netherlands, Austria, Denmark, Poland, Sweden, Czech Republic The amount of food you can get into your flask should be one of the main considerations you make when looking for the right food flask. Nobody knows your appetite and eating habits better than you do, so take a close look at the volumes of the flasks you’re considering and weigh that up against how much you’d be looking to carry. After all, it defeats the point somewhat if you can only fit half a lunch portion in what you’ve bought, or on the other end of the spectrum, buy one that’s too big and realise you’ve wasted money on flask volume you just won’t fill. Also bear in mind how many people you’re feeding – one large flask might feed two, if you’re going on a trip somewhere and are trying to economise on how much to take with you. Lid When we tested this flask, it kept the contents piping hot until we were ready to enjoy it and the slimline frame meant it was easy to store in our lunch bags or take on the go.You get a foldable spoon with this food flask, which is stored on top of the inner lid. The inner lid also features a secret compartment just below the spoon, which can be used for storing salt and pepper if needed. For drinks flasks, you’ll need an elongated brush that can reach the bottom, whereas for food flasks, which are shorter and have wider openings, it’s generally possible to wash it as you would a mug. You get an outer lid that can double as a cup while the inner lid is sealed for waterproofing and insulation. The inner lid also holds a foldable spoon so you have everything you need to take it on the go.

food flasks for hot meals at work or camping trips 6 best food flasks for hot meals at work or camping trips

However, the silky smooth stainless steel finish made tightening and loosening the lid much harder. On the plus side, this made cleaning it super easy - handy as it can’t go in the dishwasher. In testing, we found that the contents of the jar had cooled significantly by the end of the 6 hours. It was still warm to the touch, but you would probably want to reheat it depending on what you’re storing. We also had to wrap the spoon to make sure it stayed clean before use as it’s on the outside of the flask rather than the inside. To remove this, simply add a couple of tablespoons of white vinegar to the flask and top it up with water. Leave this for a couple of hours or overnight to give it time to work. Next, think about how long you would need to keep your food warm for. Look for ones that will retain heat for at least six hours.

Sandwiched between the inner and outer layers is a void - this vacuum stops the heat from the inner layer reaching the outer layer as heat can only be conducted through particles, whether it’s in the air, through liquids or solids. Of course, one of the main reasons to buy a flask is to keep hot food hot. As such, heat retention is another of the most important factors to consider before buying. This heat retention time can vary hugely between around 4 hours, up to 12 hours and potentially even longer than that. This means that you have to factor in how, where and when you intend to use your flask. For single portions, a few hours is probably fine, but on longer expeditions with multiple meals, you’re naturally going to need one that’ll hold onto that heat for longer.

Food Containers - SHO Food Containers - SHO

What we particularly liked about this one was the range of colours it’s available in, meaning it’s easy to get a shade you like. We've tested the best food flasks that will keep your food warm - or cold - for hours, without you having to worry about spillages. What to look for in an insulated food flask

Best food flasks at a glance

There’s no inner lid or cutlery with this one, nor does it promise to keep your food warm or cold for a specific amount of time. Because of this, we decided to go with a minimum keep-warm period of 6 hours. The one thing that this jar does have going for it is its extra wide opening, which makes adding food in and washing up afterwards that much easier.