Abstract
The present invention provides a thermos bag, which includes a container bag and an built-in thermos device. The thermos device includes a frame, a conductive plate, a printed electrothermal plate, an automatic temperature control device, an insulating lining and a bottom plate as a cover unit. After placing it inside the container bag, with the fixation ring sleeve, foot mount and bolts, it is positioned between the thermos device and container bag. The thermos bag made of this structure provide provides the traveler with a thermos bag that is easy to assemble, easy to carry, energy saving and easy to take off for cleaning.
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