PROBLEM TO BE SOLVED: To handle a CD as a regular shape mail while it is prevented from damage, by covering a holder having a compact disk placed on a case body with a side wall, extended flap pieces, and an outer lid which are respectively folded at predetermined folds, and fitting a fitting piece in a cut hole for a predetermined holding piece. ;SOLUTION: On a bottom 1 of a case body, a holder having a compact disk(CD) is placed. The base body is folded at a fold 7 at the long side and an extended flap piece 5 at the long side is folded by forming a side wall 8. Next, upper and lower side walls 4 and the extended flap piece 5 are folded by a fold 3 at the short side, and the holder which is holding the CD is put on it so as to press from upper and lower parts. Then, an outer lid 10 is put, being folded, on the holder which is holding the CD and the extended flap piece 5 so as to cover them by a fold 7 at the long side where the outer lid 10 is connected, a holding piece 11 is folded by a fold 12 for the holding piece so as to fit in a cut hole 13 for holding which is punched in the bottom 1 of the case body.;COPYRIGHT: (C)1997,JPO
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