Abstract: A container for elastic solid material, comprising connecting means for detachably connecting adjacent walls of the container. The connecting means include a protrusion attached to a first wall and a guiding element attached to a second wall adjacent to the first wall. The guiding element is provided with an opening through which the protrusion is extendable. A locking element is provided for locking the protrusion in the opening of the guiding element by means of a spring action of the locking element. The spring action can be deactivated by a displacement of the locking element against the spring action.