Box for memory disk

PROBLEM TO BE SOLVED: To provide a box for memory disks by which the memory disks can be easily kept and transported and they are not damaged. SOLUTION: The upper part and the lower part of the box 14 to contain a plurality of memory disks provided with partition holes are opened by the first and the second side walls (18, 26), (20, 28) which are long and arranged opposite to each other, and the third and the fourth side walls 22 which are short and arranged opposite to each other. And the first and the second tooth rows (50a-50n) fitting to the periphery edge of the disks are formed at every equal distance at the inside of the first and the second side walls (18, 26), (20, 28). And further, the first and the second recessed notches which are larger than the hole of the memory disk and extend from the upper part of the third and the fourth side walls 22 to the lower part thereof and further, which are arranged opposite to each other, are provided at the third and the fourth side walls 22 so that the hole of the memory disks are exposed to the outside.