| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cool box which can be efficiently cooled entirely with a cool storage material, and can prevent the cool storage material from colliding with contents.SOLUTION: A cool box 100 according to the present invention comprises an outer box 10, an inner box 20 stored in the outer box 10, an inner lid 30 put across the upper ends of opposite side walls 21a of the inner box 20, and a cool storage material 40 disposed on the inner lid 30.</p> |
