Smash Stainless Steel Push Button Food Flask, Sage

Product Information

Some flasks are also designed with the intention of maintaining a low temperature for cold food. While not fully refrigerating them, flasks designed for this purpose will usually keep things cold longer than they keep things hot. But, some flasks are not meant for this, so bear that in mind. It's imperative to strictly adhere to the instructions for use, such as warming the interior with hot water for five to 10 minutes before adding any food that will be eaten later. Our home tester found that when you did, this kept hot food warm for five hours, even if it was opened every hour to test the temperature. It also kept cold beverages cool for seven hours, with ice cubes still visible at the end of the test. High-quality thermal flasks can keep food and beverages warm for as long as a full 24 hours. More economical brands will typically retain the original temperature of contents for four to six hours.

Stainless steel is the preferred material for thermoses. It won’t absorb color or scent from hot food that is stored in it for a long time and cleans easily. An inner flask is surrounded by a partial vacuum that won't conduct heat away from the flask, keeping the contents warm. An outer case, usually also steel, allows you to hold the container without condensation or burning your hand. The outer case may also be treated with a coating or surrounded by plastic. 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. Multi-wall insulation: Double-wall insulation creates a vacuumed layer, which is vital for keeping hot drinks hot and cold drinks cold. Some flasks include more layers for even better insulation. The 100% stainless steel construction of today’s flasks means there’s no risk of inner walls shattering when dropped.When it came time to clean up, our tester noted that though this is dishwasher safe, you might be better washing it by hand. There was food caught in the lid, gasket, and the container necessitating a scrub-down with a sponge. Kids will adore the array of colors and character themes the Funtainer comes in. More importantly, a wide brim makes eating less challenging for little ones getting the hang of using utensils, and the stay-cool exterior won't harm their hands. Best of all, it's lightweight and compact enough for little hands to open and carry in their lunch box. Even inexpensive models tend to be vacuum-seal stainless steel. However, the vacuum-seal method can be used with other materials like glass and plastic. Because they are not as durable as stainless steel, they are not recommended. A solid performer in testing, SHO’s food flask kept water chilled for the advertised 20 hours and even managed to keep a portion of ice cream very cold, albeit a little melted, for the same period of time. Similarly, it kept hot food such as pasta piping hot over a period of 10 hours. The flask’s design also proved practical as well as stylish, with neat touches including a handy foldable spork, which stores in its lid, and a rubber carry handle. While the 530ml version is suitable for single portions, those of you looking to share may want to opt for the more roomy 800ml option. verifyErrors }}{{ message }}{{ /verifyErrors }}{{

For the kids’ lunchbox – The Food Flask from IGZOM is a great choice for kids thanks to a wide range of colourful and cheerful designs. It has plenty of volume (540ml) and heat retention capabilities (up to 6 hours hot) to keep food warm all the way to lunchtime and is compact enough to fit into a schoolbag without taking up too much room. Food Flask Buying Guide UP TO 6 HOURS COLD: Keep your cold food crisp and fresh for up to 6 hours in 500ml and 5 hours in 300ml. Perfect for sunny days out at the park or on the beach. No need for a separate cool bag, just grab your pot and go! The size of a thermos largely depends on what you want to use it for. Most thermoses for adults tend to be around 16 ounces, and ones for children are a little smaller. The food will cool down faster if there is excess air in the thermos, so if you want your food to stay hot for several hours, you'll want to use the best size thermos for the amount of food you're putting in it. If you just want the option for a small soup bowl at lunch, you can go with 10 ounces or smaller. If you want to carry a hearty meal in your flask, 16 ounces is likely the better fit.A Thermos King will last years but it’s not officially dishwasher-safe, and you’re not even meant to submerge it in water (if you do, you kill the manufacturer’s 50-year guarantee). Inquisitive users report that it does survive the dishwasher intact, albeit with peeling colour. Designed for the outdoors, Hydro Flask’s powder-coated flasks and containers are designed to stand up to heavy wear and tear. Available in a wide array of colors, they also come with a lifetime warranty. UP TO 6 HOURS HOT: Hot, comforting food for up to 6 hours in 500ml and 4 hours in 300ml, regardless of the outside temperature. With no need to be near an oven or microwave, enjoy your favourite hot food wherever you are. 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. Thermos is synonymous with the product it produces—thermoses. But unlike Kleenex and Tupperware, Thermos has not been able to maintain the trademark on the term "thermos." The Thermos company, first started in Germany, was the first to figure out how to take industrial vacuum-sealing techniques and apply them for home use. Today, Thermos makes a wide range of insulated containers, from flasks and mugs to coolers and lunchboxes.

Ergonomically designed with kids in mind, the BPA-free Foogo is a favorite with parents, as its cool-to-the-touch 10-ounce body is the perfect size for a kid's lunch. The base and lid are made of rubber to make the jar easier to grip for smaller hands, too. Other perks include cost efficiency and a tough body resistant to scratches. Best for big meals – SHO’s Ultimate Food Flask is not the biggest flask out there, but it is bigger than most. 2 sizes are available for the Ultimate, both of which are bigger than comparable flasks. The smaller is 600ml, which beats out other similarly sized flasks which are usually around 500ml, and the 800ml compares with others usually around 700ml. So unquestionably, if you’ve got a big appetite (or are carrying food for two) then the Ultimate should be your flask of choice. An honourable mention does go out to Pioneer’s 1000ml food flask, however. Capacity: Bigger capacity means more contents to enjoy. It also means more weight to carry, but only if you fill it to the brim. For best insulation, buy a flask that’s slightly bigger (but not heavier) than you need, and leave a couple of centimetres of air at the top. We’ve included capacity and weight info for all our flasks below.Using a stainless steel vacuum-sealed design, an inner flask maintains contents at a consistent temperature, since warm or cold air cannot easily penetrate or escape from the flask. The outer material, usually made of hard plastic or steel, allows the thermos to be comfortably held and transported without liquid leaking out.