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Thermos That Keeps Food Hot for 7 Hours (Top 4 Picks)

A thermos that keeps food hot can come in handy in a lot of situations. If you’re camping and want to have hot food for dinner, or if you’re working a long shift and need to keep your lunch hot, a thermos can be a lifesaver. There are many different brands of thermoses on the market, but not all of them are created equal. Some thermoses will only keep food hot for a few hours, while others can keep it hot for 7 hours or more. When choosing a thermos, it is important to consider how long you need it to keep food hot, as well as its overall durability. In this article, we are going to introduce four thermoses that can keep food hot for 7 hours so that you can pick the right one.

1. Thermos Stainless King 47 Ounce Vacuum Insulated Food Jar

Thermos Stainless King 47 Ounce Vacuum Insulated Food Jar

For those who prefer warm food, the Thermos king 47-ounce food jar would be perfect. Food can be kept hot for up to 10 hours and cold for up to 24 hours in this jar. A vacuum insulation technology was employed, which retains the temperature astonishingly well regardless of how hot or cold it is. The best thing is that it never affects the taste of the food.

The exterior stays normal always no matter whether there is hot or cold food inside. And outside, it never sweats or gets hot. Because of the container and outside material, touching it will not cause any discomfort. Two microwave-safe separate containers (20 ounces each) keep food separate and prevent heat or cold from affecting the outside. Since the containers are huge, you can carry food for a whole group when you go for a day trip or hiking. It is indeed easy to carry around thanks to the built-in, easy-to-up, and down-carry handle.

The jar is extremely sturdy, thanks to its 18/8 stainless steel construction, which will last a lifetime. Both the jar and the container can be washed in the dishwasher. As a result, you can safely wash them.

Highlighted Features

  • 18/8 stainless steel construction
  • THERMOS vacuum insulation technology
  • Two microwave and dishwasher safe containers
  • Sweat-proof

2. ITSLIFE Insulated Lunch Containers Hot Food Jar

ITSLIFE Insulated Lunch Containers Hot Food Jar

ITSLIFE hot food jar is both stylish and sturdy, with a high capacity for temperature retention. The insulation is superb, made of extremely strong stainless steel, ensuring both efficiency and durability. When it comes to working efficiency, ITSLIFE is unmatched. It has a temperature retention time of up to 12 hours for hot food and up to 24 hours for cold food. To keep the temperature stable, extremely effective insulated thermal technology is used.

The versatile design and construction quality make it an excellent food jar that keeps food taste maintained and temperature stable and is suitable for toddlers to adults. The whole interior is constructed of stainless steel to ensure that hot foods always keep a distance from contact with plastic. This also makes it a healthy food container. It doesn’t radiate heat, so there’s no danger of getting burned if you touch it outside.

The delivery box includes two insulated thermos, one 17 oz, and one 24 oz. The box also includes a foldable soup spoon and fork. An upgrade seal lid is integrated to make it easier to keep the spoon. The build quality is excellent, and it will never leak into your lunch bag. Both the interior and exterior are composed of 18/8 304-grade stainless steel, which provides long-term durability and excellent temperature retention. Keeping it safe and clean is not a problem because every inch of the jar is dishwasher safe.

Highlighted Features

  • Double-wall vacuum insulated
  • High-Quality Material & FDA Approved
  • BPA, BPS & plasticizers Free
  • Double lids

3. Stanley Classic Legendary Vacuum Insulated Food Jar

Stanley Classic Legendary Vacuum Insulated Food Jar

The Stanley Legendary Jar is a double-walled stainless steel insulated food jar with excellent durability and temperature retention. The double-wall vacuum insulation method is incredibly effective in retaining temperature. Because of the double-wall vacuum insulation, your food will remain hot or cold for up to 12 hours.

The construction of this jar is tremendously higher quality that ensures durability and stability. 18/8 BPA-free stainless steel is being incorporated to make the jar. This is relatively lightweight which makes it easy to carry and preserve food the same without affecting the taste. The jar is built in such a way that it will not rust or leak and can be easily packed in your backpack. The sealing lid does not allow any spillage outside as well.

The food container comes with a reusable stainless steel spork that can be used in place of plastic spoons. This Stanley legendary food jar has a wide mouth opening that is easy to fill and clean. Overall, upkeep is quite simple.

Highlighted Features

  • Double-wall vacuum insulation technology
  • Stainless Steel Material
  • Rust-free and leak-resistant
  • East to fill and clean

4. WayEee Vacuum Bento Box Insulated Food Jar

WayEee Vacuum Bento Box Insulated Food Jar

WayEee is a trustworthy brand that manufactures some amazing high-quality insulated food jars. The food jar is constructed of quality food-grade materials such as 304 stainless steel for the body and plastic for the lid. The materials are completely BPA-free and non-toxic, making them extremely safe. The lunch box is designed to be highly convenient and wonderful, with a non-slip silicone mat on the bottom to ensure that it does not slip. The lid is designed to be used as both a food lid and a food serving bowl.

Quality gives efficiency, much as WayEee provides adequate temperature retention. A double-walled, one-of-a-kind insulation technology is capable of retaining the heat or cold of your food for a longer time. Using the technology, the jar can hold a maximum temperature of 6 to 12 hours. Within the time your food will stay warm/ cold and taste the same. However, there is a simple approach that may be used to enhance uptime. Fill your jar halfway with hot or cold water for 5 to 10 minutes, then dump the water and add your food. It will lengthen the time of temperature retention.

The 16 oz food container comes with a folding spoon, making it ideal for those who prefer smaller meals. Since the container is leak and scratch-proof, carrying it in a bag and washing it will never be an issue. When it comes to durability, you can relax because it will not break, crack, or dent when dropped. It will outlast your expectations.

Highlighted Features

  • 304 stainless steel food-grade material
  • leakproof and durable
  • 2-in-1 lid design
  • Non-slip silicone mat at bottom

Buying Guide

A thermos that keeps food hot is a great way to keep your food warm while you are on the go. There are many different types of thermoses that you can choose from, so finding one that fits your needs should not be difficult. But there are a few things that you need to take into consideration before choosing them.

Material: First and foremost, you will want to make sure that the thermos is made from high-quality materials. This is important because you want to make sure that your food stays hot for the entire seven hours.

In terms of materials, you will want to look for a thermos that is made from stainless steel. Stainless steel is a great material because it is very durable and it will not rust. Additionally, stainless steel is a great conductor of heat, which means that your food will stay hot for a longer period of time. Another material that you may want to consider is glass. Glass is a great material for thermos because it is very easy to clean. However, you will want to make sure that the glass is tempered so that it does not break easily.

Insulation: When choosing a thermos to keep food hot, there are several factors to consider. But one of the most important factors is the insulation. The best thermoses will have double-wall vacuum insulation, which means there will be a layer of air between the inner and outer walls of the thermos. This will help to keep the heat in.

Size: When choosing a size, think about how much food you will realistically be eating. If you are packing a large meal, you will obviously need a larger thermos. On the other hand, if you are only packing a light snack, you can get away with a smaller thermos. If you are unsure about what size to get, go with a larger size. It is better to have too much space than not enough.

Price: When choosing a thermos, make sure to consider how often you will be using it and what type of food you will be storing in it. If you are only using it occasionally, then a simple, less expensive model may be all you need. However, if you plan on using it frequently or storing large amounts of food in it, then you may want to consider a more durable, higher-quality model.

Why Should You Have a Hot Food Thermos?

A Thermos is a great way to keep your food hot while you are on the go. There are many benefits of owning a hot food thermos.

First, it will keep your food hot for a longer period of time. This is great if you are in a hurry and do not have time to stop and eat.

Second, it is a great way to keep your food hot while you are traveling. If you are going on a long car ride, you can pack your food in a thermos and it will stay hot until you are ready to eat it.

Third, it is a great way to keep your food hot while you are at work. If you work in an office where there is no microwave, you can still have a hot meal by packing your food in a thermos.


There is no denying the fact that a Thermos is necessary to keep food warm. It is an essential item for anyone who wants to enjoy a hot meal on the go. There are many different types and sizes of thermoses available on the market, so it is important to choose the right one for your needs. If you are looking for a thermos that will keep your food hot for hours, then you should definitely consider investing in a quality product.

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