Probably, each of us at least once was on a picnic, on a hike or just went to the pond to relax. In the summer heat, food quickly deteriorates, drinks heat up, and a light snack in between baths becomes not so tasty. In order for products to retain their palatability longer and not spoil, an isothermal bag, or a thermal bag, is perfect. Customer reviews prove the benefits of this invention.
How does a thermal bag work?
Often an isothermal bag is called a thermobag, but you should not confuse these concepts. A cooler bag is capable of cooling products, and isothermal only maintains temperature for a certain period of time. Also, the difference between a thermal bag and a cooler bag is that the former can be used not only to store cold food, but also to keep food warm. For example, you just baked hot cakes, but are afraid that by the end of the trip they will cool and not be so tasty. Do not worry - you will be helped out by a thermal bag.
Accessories for thermobags
For longer maintenance of the necessary temperature inside the bag, additional accessories are used. They are called accumulators of cold or heat. In order to understand whether your bag model needs them, just read reviews on thermobags. The operating principle of the battery is simple. Before use, the cold accumulator must be put in the freezer, and the heat accumulator must be heated in the microwave or in hot water (depending on their type). Batteries are built into the walls of the bag or just fit into it. Several batteries may be required to maintain the required temperature. One is designed for a volume of 5 liters. That is, if a bag with a capacity of 40 liters, 8 batteries are required. So, the presence of such an aggregate can significantly increase the shelf life of products.
What are the thermal bags?
Before making a purchase, you need to decide what kind of thermobag you need. User reviews will help you to solve this problem. To facilitate the task and not torment you with hours of studying information, we will tell you about what are the thermal bags.
The smallest and most compact is called a sandwich maker. Its weight does not exceed 400 grams. This bag is designed for a company of two people and perfectly keeps a small snack in freshness. Another purpose, though not quite ordinary, but quite practical, is to store cosmetics in it in hot weather. Undoubtedly, our beautiful half of humanity came up with this, which quite often faces the problem of melted lipstick on the beach. In addition, such a thermobag is popular among students and office workers.
A thermal container is another type of thermobag. Its weight is only 360 g. In capacity it is the same as a sandwich maker, but more compact.
The lunch box has an original design and the presence of several compartments. They can place a salad, a second and dessert. Depending on the number of compartments, the weight of a lunch box can vary from 400 to 800 g. Most often it is purchased by office staff or students.
There are
bags made in the form of a
backpack, bag or container. They are large in size, the internal volume of such products can reach up to 140 liters. Any fishing, picnic or camping trip can not do without such an invention as a thermal bag. Customer reviews confirm that thermal bags keep food and drinks fresh for a long time and protect you from poisoning by stale food.
What are thermobags made of?
We figured out the types of bags, but what are they made of? Thermal containers, lunch boxes and other frame products are made of rigid polymeric materials. And such isothermal bags and backpacks basically have dense fabrics that are washable and dry quickly.
But the most important thing in an isothermal bag is what its inner layer is made of. In high-quality thermal bags, it is made of PVC materials, which have reflective properties. Such bags will retain the required temperature for a long time. In cheaper models, the thermobag is made of colored polyethylene. They hold temperatures much worse, but will cost less.
Baby bottle bags: why are they needed?
Parents of a small child understand how important it is to have a baby bottle with you when you walk. But it’s not always warm enough. For this, a new niche appeared in the thermobag category - a children's thermobag. It is designed to store bottles with baby formula, which is already ready for use. Everything is very simple: you prepare the nutrient mixture or warm the milk, and then put these bottles in a thermobag. You can feed the baby at his first request, and he will not be capricious in anticipation of his lunch.
Someone will say that this is pampering, you can get by with a simple thermos bottle, and only a lazy mom needs a bag for bottles. Reviews of young mothers prove the opposite. They say that such thermobags keep heat well and do not let air in, and the kids enjoy drinking warm milk while walking in the park.
Short list of tips for choosing a thermal bag
A thermal bag should only be bought at a specialist store. When buying, it is advisable to require a certificate of product quality. Do not forget that the seller is required to fill out a warranty card, otherwise, in case of a defect, you will not be able to return or exchange the goods. Before buying, be sure to inspect, feel it, check the locks and seams and determine if the thermal bag is of good quality. Customer reviews are important, so it would be nice to read them before buying. The walls of the thermobag should be tight, otherwise it will not justify its function and will leave only disappointment from the purchase. When choosing a bag, do not forget to rely on your interests and on what you need this invention for (travel, picnics or lunch at work).
Have a nice shopping!