Size and Capacity
The size and capacity of a thermos are other important criteria. When choosing a container, it is worth considering the amount and type of food you plan to store in it. For a single person or child, a smaller thermos may be sufficient, but for the whole family or longer trips, a model with a larger capacity will be necessary.
Durability and Material
Durability and quality of workmanship have a direct impact on the life of a thermos. Containers made of high-quality stainless steel are not only durable, but also safe for health and easy to keep clean. Stainless steel is resistant to mechanical damage, does not react with food, and does not affect its taste.
Safety
Safety of use is equally important. Thermoses made of materials free of BPA and other harmful substances are safe for health. It is important to choose products that have the appropriate certificates confirming their safety.