| 摘要 |
PURPOSE: A heating steel bag is provided to heat a food by operating a heater by having the heater, and to deliver a warm air to a user. CONSTITUTION: A heating steel bag comprises a heater (2). The heater blocks that a steel bag main body (1) becomes cold by heating up a heat, and a meal is capable of being warm by heating up. A delivery man delivers warmly due to a steel bag heated by the heater. |
