Abstract: A container comprising a container main body having a pair of right and left side-wall plates (20) and a roof plate (60), a bottom plate (70), and a front door (80A) and a rear door (80B) connected to the bottom plate (70), wherein the container main body is displaceable with respect to the bottom plate (70) from a neutral position, between a front exposed position, where the front part of the bottom plate (70) is exposed to the outside of the container main body, and a rear exposed position, where the rear part of the bottom plate (70) is exposed to the outside of the container main body. The container main body is foldable and the front door (80A) and the rear door (80B) are also foldable at the bottom plate so that the container is foldable. The front door (80A) and the rear door (80B) can also be utilized as a slope that opens to the outside for insertion/removal usage.