Table of Contents
What is a lunch box?
The lunch box keeps the heat like a thermos of water. If the thermos is used to keep the water hot, the lunch box is used to keep the rice and food hot.
The lunch box has a design similar to a regular box but is made up of 3 layers. In particular, the inner and outer layers are usually made from PP plastic or stainless steel. In the middle of the two layers is a vacuum with no insulation effect.
The lunch box keeps warm without using electricity. All you need to do is prepare delicious food, put it in a box, and close the lid. Depending on the type of heat box you use will effectively keep food warm for 4 – 8 hours. To choose the best heat preservation box product, you need to find out carefully.
Criteria for choosing the best lunch box
Currently, the market has a lot of types of heat-retaining lunch boxes with diverse prices. Therefore, to choose the best heat preservation box, you should base on the following criteria:
1. Capacity to keep the lunch box heat
That is the first thing to learn, of course. Because each type of heat preservation box will have a different capacity, depending on your needs, choose a box of rice with the most suitable capacity.
The capacity of the lunch box will determine the capacity and level of food storage. Accordingly, the box of rice holds heat with many floors; many compartments will help you hold more food. For example, a 3-story lunch box allows you to store more food and is more convenient.
Therefore, consider based on your daily intake and menu and choose the appropriate lunch box capacity. You can choose a slightly larger box so you can put more food when you need it. Ideally, it would help if you chose a lunch box with a capacity of over 1 liter.
2. Material of plastic or stainless steel lunch box core
When buying a thermos box, this is the top concern. The core material of the lunch box will directly affect your health and the ability to retain the heat of the product. Commercially available lunchbox products are often made from uncertain materials. That makes the ability to retain heat poorly, affecting health.
Genuine thermos lunch box products are made of two basic materials: 304 stainless steel or stainless steel and PP plastic.
With a core box made from 304 stainless steel, there is no question of quality. This type of lunchbox has good heat retention, strength, and impact resistance. Especially, it is completely safe for health, and also very easy to clean. However, these types of lunch boxes made of this material are often quite expensive.
While the core of a lunch box is made of plastic, it is cheaper. When it comes to the plastic core, many people probably think of its impact on health. However, only low-quality plastic is like that. What about genuine lunch boxes, whose core is made from PP plastic that does not contain BPA, will be very safe. Therefore, when buying this type of lunch box, you need to find out carefully.
3. Number of box compartments
Many box compartments are usually proportional to capacity. Accordingly, the capacity of the big box will have more compartments.
Multi-layered lunch boxes have a more ergonomic and ergonomic design. These types usually have a large outer box used to hold smaller food containers. You can divide food clearly into each compartment without fear of being mixed in the process of moving.
4. Heat holding time
When choosing to buy a box of heat preservation, of course, you cannot ignore the heat retention factor of the product. Depending on the type of box, the material will have different retention times. Types of heat-resistant lunchboxes that use vacuum insulation technology will have a better retention time. Some high-end thermostatic lunch boxes can hold up to 8 hours of heat. Therefore, it is very suitable for students, office workers or far trips.
Top 5 best lunch boxes to keep heat
1. Elmich EL3144
– 3 different capacity compartments, accommodating a variety of foods
– Made of stainless steel 304, it does not contain BPA safe for health
– Modern and trendy design
Elmich EL3144 is Elmich’s rare range of cheap-priced lunch boxes. The product is made of 304 stainless steel and is safe for users’ health. Elmich EL3144 is divided into three compartments with different capacities, can hold a variety of foods.
The product is removable in three compartments for use as a thermos bottle. The lid part is composed of a solid rubber gasket layer, anti-overflow.
where can you get a Elmich EL3144 online
2. Lock & Lock LHC8016S01
– High-quality material, safe
– Large box capacity, divided into compartments for better food storage
– The lid has a rubber gasket to help keep airtight and firm
Lock & Lock LHC8016S01 lunch box set is made of stainless steel, with good heat resistance. With this lunchbox material, users feel secure when using it. The box is equipped with a sturdy lid, which helps to preserve food better, does not spill out when the box is tilted.
The lunch box set is divided into three small boxes with different capacities. However, of the three boxes, only one can retain heat. You can divide the food into individual containers. Moreover, the box is made of stainless steel and cannot be used in microwave ovens.
where can you get a Lock & Lock LHC8016S01 online
3. Zojirushi SL-GG18-DB
– There are three boxes with different capacities
– It is possible to separate food, not to be mixed
– Do not overflow or spill food
– High-quality plastic material ensure safety
– Good heat holding time
– Can be used in microwave
Zojirushi SL-GG18-DB lunchbox with modern design, elegant color is the perfect choice for many people. Products include three different compartments with different capacities. As a result, you can store food separately without mixing. Zojirushi SL-GG18-DB is also equipped with a pair of chopsticks, a chopsticks box, and an extremely handy strap.
The food containers are made of high-quality PP plastic, so it is very safe. The box lid is designed tightly with rubber gaskets to help prevent food overflow and maximize heat retention.
where can you get a Zojirushi SL-GG18-DB online
4. JBG-2000 Thermos
– There are three convenient compartments
– Ability to retain heat well
– Material safe products
– Rubber gaskets help anti-spills.
JBG-2000 Thermos is designed with a strap, so you can carry it or wear it very conveniently. Products are equipped with one box of rice, one box of soup, and one box of food with different capacities. The body of the box is made entirely of stainless steel, ensuring safety and the ability to retain heat.
JBG-2000 Thermos can keep food up to 6 hours, suitable for taking to school, work, or play. The soup compartment is designed with a sealed rubber gasket to prevent overflow.
where can you get a JBG-2000 Thermos online
THERMOS Stainless Lunch Jar about 1.6 No. Midnight Blue JBG-2000 MDB: Buy it now
5. Tiger LWU-F200
– The box has four convenient compartments, which can hold a lot of food
– With anti-overflow rubber gaskets
– Easy to clean after using
– Can be used in microwave
– Long heat retention time
Lunch box Tiger LWU-F200 has a modern design, with a convenient carrying bag. The box lid is designed to be tight with a spill-proof rubber seal and maximum heat retention.
Tiger LWU-F200 is divided into four compartments with different capacities. Thanks to that, you can store each dish separately without fear of mixing. Comes with the box is a pair of chopsticks in a separate box, very handy and hygienic.
Products are made from PP material, BPA free and safe for health. Moreover, the product is specially designed to help keep heat better.
where can you get a Tiger LWU-F200 online
What kind of heat preservation box should you choose?
The five lunch mentioned above boxed products is all of good quality and safety. If considering the ability to retain heat, quality, and price, Elmich EL3144 thermosetting food container is the most reasonable choice.
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