A storage container used to store audio tapes, video cassettes, CDs, disks, etc. The container includes a box body made of a paper board which can be recovered for re-use without causing any problem of environmental polution. The paper board can be easily and quickly folded and assembled into the box body without using any tool. The container has light weight and small volume and thus can be transferred and stored at lowered cost. In addition, the container is manufactured at high efficiency with lowered cost. The surface of the paper board can be printed with various colorful stripes, advertising characters or pictures to have versatile appearance.