Abstract: Package (1, 1a, 1b), consisting of a base (3) and a cover (2), wherein the package (1a) has connecting means (5, 6, 9) for a detachable plug connection with another package (1b), wherein at least one lower profile rib (5, 5a, 5b) is arranged on at least one lateral surface of the package (1, 1a, 1b) and at least one upper profile rib (6, 6a, 6b) is arranged at a vertical distance, which profile ribs form a form-fitting guide for at least one connector (9, 9a, 9b), which is arranged on at least one other lateral surface of the package (1, 1a, 1b), wherein the lower profile rib (5, 5a, 5b) has an offset (15) with respect to the upper profile rib (6, 6a, 6b) in the slide direction.