To provide a storage body which stores a thin article as well as a thick article without losing loading efficiency, and prevents damage to a stored article.

The storage body 10 is made of approximately square two sheets 11 and 12 which are superposed together with an opening 28 being formed on one side of the superposed sheets. The sheets 11 and 12 have flaps 14 and 20 that are folded to close the opening 28, respectively. Both flaps 14 and 20 are formed into an arcuate shape in which outlines 15 and 21 connect spots outside reference lines L, and folding lines 16 and 22 are formed into arcuate lines, respectively. The flap 14 is topped with foldable pieces 17 and 18, which are extended outward from the outline of the flap 14 and can be folded.