The invention relates to a container of the kind including at least one partition (6) and comprising at least one bottom (4) and peripheral side walls (5). The container is characterized in that the partition is positionally adjustable and has at least one pin (8), comprising a rod (10) terminating at its free end in an enlarged head, on the lower edge (9) of the partition, and that the bottom (4) has at least one elongated window (7) for receiving the rod and retaining the head. The window (7) has at least one enlargement (12) to allow the passage of the enlarged head. The invention is applicable to a box-like dish that can initially be used as a soap dish, for example, and later for other use.