In the summer heat, it is impossible to imagine a long trip or a picnic without a cooler bag. Its purpose is to ensure the safety of a variety of perishable products and to cool drinks that are taken on the road.
Therefore, this thing has become an indispensable attribute in all long trips and trips. But this is not quite a refrigerator, as they say, because the bag does not cool, but preserves food. Those who have not purchased this miracle thing should think about buying. First of all, you need to understand what kind of cooler bags are, how to choose this device and what you need to pay attention to.
Be prepared for the fact that many manufacturers may call them differently. For example, an “insulated bag,” “thermally insulated bag,” or “thermal container.” All products must have a cold accumulator in the form of a plastic briquette or plastic bag that is filled with saline. Each time before use it must be kept in the freezer of a domestic refrigerator for at least 8 hours. Such a briquette can be purchased separately. The main thing is that its size coincides with the size of the bag. There are cold accumulators that can be used as trays for soft drinks.
Portable refrigerators can maintain temperatures from 6 to 24 hours. It depends on each individual model and its volume.
What are cooler bags, how to choose a model?
Models of bags are divided into several types:
1. Thermal bags. These are fabric items with handles that can be carried in the hands or on the shoulder. In the empty form, they do not take up much space, because Very elastic and easy to fold. Sometimes there are bags made in the form of a backpack. Their maximum volume can reach 50 liters. For greater convenience, large bags are produced with a pull-out handle and wheels, which facilitate transportation.
2. Thermal containers. Their maximum volume reaches 140 liters, and they are made of plastic. They can also be equipped with additional handles and wheels.
Some bag models can be used to transport drugs or material for medical research. They can have a double bottom and an integrated container.
It is also important to remember that without a cold battery, a portable refrigerator can maintain a certain temperature for no more than 4 hours.
So to summarize. If you are interested in cooler bags, how to choose the right one? First of all, you need to decide for what purposes you are acquiring it, and how much you need. A simple thermal bag is ideal for picnics and walks in the fresh air. Fans of fishing will prefer thermal containers that are convenient to use as a chair and easy to clean from contamination. And for those who love long trips and travels, the best option would be a car refrigerator.
Now you have learned what cooler bags are, how to choose these appliances. And the choice of color, volume, model, etc. completely depends on your needs and preferences.