The volume of the working chamber of the thermal bag. The
larger the volume, the more products can be loaded inside at a time. When choosing according to this parameter, it makes sense to select a model with a margin, because it is not recommended to load products too tightly — this adversely affects the quality of the device. On the other hand, note that the volumetric container and dimensions will have the appropriate ones.
The presence of one or more
coasters in the design of the product. Coasters are found exclusively in thermoboxes (see "Type"). Most often they are characteristic recesses in the lid: you can put a glass, bottle or other container with liquid in such a recess without fear that it will tip over.
