Portable thermal bag – principle and duration of work, best models and price

The content of the article

A small inexpensive freezer for medicines, drinks, food is a thermobag, which is also called a cooler bag. This is an indispensable thing in everyday life, which can be a thermos or a freezer. A portable refrigerator can be transported in a personal vehicle or carried with you when you go outdoors – this is a convenient, mobile device.

What is a cooler bag

Structurally, it is a small but roomy suitcase that has a round, rectangular or oval shape, an assortment of color options. The dimensions of such a device can be selected in accordance with the requirements of the buyer, the configuration of the design differs depending on the price, manufacturer. Such a mobile refrigerator is necessary in order to maintain a constant temperature for a long time, which is especially true for long trips.


The refrigerator bag in appearance resembles a volumetric traveling bag in the shape of a basket. To maintain a constant temperature, structurally there are several layers, each of which performs a valuable function for the preservation of food products, their timely and long-term cooling. So:

  1. The inner insulation layer of the refrigerator. In fact, it is a dense mirror film made of heat and reflective PVC. A model made of multi-colored polyethylene is considered poor-quality, since it does not cool food for a long time.
  2. External cover of the refrigerator. It is made of PVC, nylon or polyester, which protects the cooling product itself from external overheating. Thermal insulation fabric is easy to clean, comfortable for everyday use.
  3. Thermal containers. Geothermal isothermal walls, made primarily of heavy-duty plastic, resistant to high temperatures, overheating.
  4. The inner layer of the refrigerator. It is made of polyurethane or dense foam with an optimal thickness of 3-5 cm. Additionally equipped with a battery for productive cooling of an enclosed space.

Cooler bag

Principle of operation

The cold accumulator for a thermal bag is the main structural element of the cooling product, which has the form of a plastic sealed box. Inside it is filled with gel or saline solution, due to which the battery will cool a limited space. Since the inner layer is light- and heat-reflecting aluminum foil, the cold is held for a long time inside. In more expensive designs, a special refrigeration generator may be involved..

How to use

To ensure high-quality storage of food, to cool drinks, the refrigerator bag must be kept constantly closed, not to let cold air out. Otherwise, the efficiency of the mobile battery is significantly reduced, the cold is not kept for a long time. Before you buy a thermal bag in an online store inexpensively, you need to read the instructions, understand the principle of operation of this device.

Buy cooler bag

It can be a convenient lunchbox or a place for storing medications, in addition, such a thermobag can be stored in a car, used for long trips or outings. A mobile refrigerator is easy to transport, and when used properly, foodstuffs remain refrigerated for up to 5-7 hours. Before you buy a thermal box, you need to get acquainted with the products of well-known manufacturers, offering mainly high-quality products at different prices..

For drugs

Many people are used to storing tablets in the refrigerator, occupying usable space. However, sometimes there is a need for their transportation, and here it is required to maintain a constant low temperature. Especially for these purposes, you can use a thermal bag, always have it at hand. Below are the most popular models for everyday use in the home:

  • Name: Mobicool Icecube Medium;
  • Price: 1,500 rubles;
  • Product specifications: the presence of buttons on the sides, yellow colors, PP tape along the contour for greater rigidity, weight – 0.6 kg, thermally insulating fabric;
  • Pros: easy to fold, well-known manufacturer, comfortable handle, practical model for everyday use;
  • Cons: high cost.

Here is another brand that offers customers competitive products for domestic use, storage of medicines:

  • Name: Green Glade P1020 20 L;
  • Price: 650 rubles;
  • Characteristics: polyester material, cold storage up to 12 hours, raincoat fabric, convenient handle for transportation;
  • Pros: comfortable and roomy, affordable price, high quality material, excellent thermal insulation properties;
  • Cons: none.

Mobicool Icecube Medium Cooler Bag

Travel refrigerator

An automobile thermo bag for storing cold and food can be voluminous, spacious, because there is always a free place for it in a personal vehicle. You can store in it drinks, medicines, perishable dishes. The final cost of production varies depending on the functions of the model, the rating of the manufacturer. Recognizable models for all occasions:

  • Title: Camping World Snowbag 20;
  • Price: 1,100 rubles;
  • Characteristics: fabric of blue material, volume – 20 liters, temperature maintenance: 12 hours, lack of condensate;
  • Pros: non-marking material, comfortable and roomy, affordable price, manufacturer’s warranty, long service life;
  • Cons: none.

Another cooler bag, which is also capable of supporting the cooling state of food products for up to 12 hours:

  • Name: Campingaz Arctic Rainbow 9L 2000009590;
  • Price: 1 200 rubles;
  • Characteristics: polyester fabric, empty weight – 350 g, the presence of side pockets for small items;
  • Pros: stylish design, comfortable shoulder strap, adjustable handles, practical material, affordable price;
  • Cons: none.

Camping World Snowbag 20 Cooler Bag

With a cold battery

These are more modern refrigerators that can maintain a state of cold for up to 12 hours. Expensive designs of bags, which will cost an order of magnitude cheaper from the manufacturer, have a quality guarantee, a different price range. All thermobags are bright and durable, with proper use they are able to regularly serve the customer for a single year:

  • Name: Classic 24 Can Cooler;
  • Price: 2 500 rubles;
  • Product specifications: the refrigerator is made of dense fabric with a zipper, has a red-gray color, a seamless inner surface;
  • Pros: battery availability, long service life, non-marking matter, stylish design, maintaining a constant temperature;
  • Cons: high cost.

This competing household refrigerator bag, also equipped with a removable battery:

  • Name: Ezetil Extreme 16, 16L;
  • Price: 2,200 rubles;
  • Characteristics: dense fabric with a zipper, seamless inner surface, roomy refrigerator;
  • Pros: stylish design, rich colors, non-marking material, long service life, quality guarantee;
  • Cons: tangible cost.

Classic 24 Can Cooler Cooler Bag

On wheels

When buying a cooler bag, you need to choose not only high quality, but also the convenience of everyday use. Modern designs are created not only with numerous pockets, removable handles, but also on wheels for speed and ease of transportation. You can buy a cooler bag in an online store inexpensively, even at a discount, but it is recommended to pay attention to the following products:

  • Name: Thermos Wheeled Shopping Trolley Brown;
  • Price: 4 400 rubles;
  • Characteristics: the presence of a plastic handle and wheels for transportation, capacity up to 20 l, dense material of brown color;
  • Pros: easy to carry, food storage duration, product quality, manufacturer’s warranty.
  • Cons: tangible cost of a cooler bag.

The second option, no less popular in practice:

  • Name: Norfin FORSSA NFL;
  • Price: 5,200 rubles;
  • Characteristics: the presence of wheels and dishes, blue, convenient handles for transportation, volume – up to 20 liters;
  • Pros: comfortable and roomy, multi-functional bag for all occasions, keeping the cold for 12 hours;
  • Cons: high cost.

Bag cooler Norfin FORSSA NFL

Thermos fridge

This versatile product keeps cold and provides high temperatures as needed as a thermos. You can use it in winter and summer, carry it in a car and, if you wish, take it to nature. Thermoboxes vary in size and color, but their function is the same – to maintain a constant temperature. The sale of bags is established, and the option you like can be bought at a discount and with a good discount:

  • Title: Outwell Agita Stainless Steel Flask;
  • Price: 1,500 rubles;
  • Characteristics: made of stainless steel, designed for 1 liter of liquid, shockproof;
  • Pros: you can buy a thermos cheaply through an online store, mail delivery, high quality and long life;
  • Cons: none.

Another practical thermos with refrigerator function:

  • Name: Igloo Playmate Gripper 22 blue;
  • Price: 2 100 rubles;
  • Characteristics: high quality, food safety up to 12 hours, dense material of blue color;
  • Pros: long service life, warranty from the manufacturer, quality material, established sales;
  • Cons: high cost.

Refrigerator thermos Igloo Playmate Gripper 22 blue

Thermal container

Many buyers are lively interested in how much a cooler bag costs, because for them this is one of the determining criteria for their choice. However, this is not so important, because the purchase should be for a single day. The price of the thermal container is affordable, the main thing is to choose high-quality products, long service life, time-tested by the manufacturer. For instance:

  • Title: IRIS Barcelona Beach;
  • Price: 1,500 rubles;
  • Characteristics: blue color, small parameters, handles over the shoulder, heat-insulating material, zipper for fasteners;
  • Pros: stylish design, convenient transportation, rich color and convenient sizes, high quality;
  • Cons: cost.

The second version of the cooler bag is presented below:

  • Name: Coleman 100Qt Cooler;
  • Price: 12 500 rubles;
  • Characteristics: volume 95 l, temperature maintenance in the box for 5 days, additional packaging for food storage;
  • Pros: designed for a large group of people, stylish design, practicality and usability, multifunctionality;
  • Cons: cost.

Thermal container IRIS Barcelona Beach

How to choose a cooler bag

Before ordering a refrigerator, it is important to decide for what purpose it is needed, what volumes to choose for greater convenience. The choice can be made not only in Moscow and St. Petersburg, but also in provincial cities. The main criteria for buying a cooler bag are set out in detail below, significantly facilitate the purchase, eliminate unnecessary costs:

  1. Material. It is better to choose polyester, PES, PVC, nylon, as a cheap alternative – aluminum foil.
  2. The period of maintaining the temperature. It all depends on the volume of the product, the availability of the battery and other functions..
  3. Price and manufacturer. It is recommended to study reviews of favorites, do not save on product quality.
  4. It is important to verify the integrity of the structure, the presence of the required elements for greater ease of use: a magnetic lock (built-in), Velcro, sewn-in zipper, rollers, shoulder straps, webbing (if necessary), a short, long handle for transporting the product.
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