Container with a bottom wall, two side walls, and a back wall connecting them, and at least one drawer which can be pulled from the opening of the container, opposite this back wall, wherein on the upper edges of the two side walls, at least one locking device is provided. Such known containers are not flexible enough for practical use. The goal of refining a generic container in such a way that there are more combination possibilities in handling is attained in that the upper side of the container, opposite the bottom wall, is open and another container or a lid, covering the open upper side, can be optionally locked in via the locking device.