A rigid, swing-open packet of cigarettes comprising: at least one inner package containing a wrapped group of cigarettes; at least one inner container, which houses the inner package and has an open top end, and a lid hinged to the inner container by a lid hinge to rotate with respect to the inner container between an open position and a closed position opening and closing the open top end respectively; an outer container housing the inner container and having at least one open lateral end and a top wall; a connecting hinge connecting the inner container and outer container to allow the inner container to rotate between a closed position, in which the inner container is inserted inside the outer container, and an open position, in which the inner container is at least partly extracted from the outer container; and a control tab connecting the lid to the outer container so that rotation of the inner container with respect to the outer container and about the connecting hinge produces a corresponding rotation of the lid about the lid hinge; wherein the top wall of the outer container comprises a first panel and two reinforcing tabs glued to the inside of the first panel; the packet of cigarettes being characterized in that the control tab has: a top end permanently integral with a top wall of the outer container by being connected to the top wall of the outer container along a first fold line or by being glued to the top wall of the outer container; and a bottom end opposite the top end and permanently integral with a top wall of the lid by being glued to the top wall of the lid so that, when the inner container is in the closed position inserted inside the outer container, the control tab is folded up and is located entirely inside the outer container and, when the inner container is in the open position partly extracted from outer container, the control tab is unfolded. at least one inner package containing a wrapped group of cigarettes; at least one inner container, which houses the inner package and has an open top end, and a lid hinged to the inner container by a lid hinge to rotate with respect to the inner container between an open position and a closed position opening and closing the open top end respectively; an outer container housing the inner container and having at least one open lateral end and a top wall; a connecting hinge connecting the inner container and outer container to allow the inner container to rotate between a closed position, in which the inner container is inserted inside the outer container, and an open position, in which the inner container is at least partly extracted from the outer container; and a control tab connecting the lid to the outer container so that rotation of the inner container with respect to the outer container and about the connecting hinge produces a corresponding rotation of the lid about the lid hinge; wherein the top wall of the outer container comprises a first panel and two reinforcing tabs glued to the inside of the first panel; the packet of cigarettes being characterized in that the control tab has: a top end permanently integral with a top wall of the outer container by being connected to the top wall of the outer container along a first fold line or by being glued to the top wall of the outer container; and a bottom end opposite the top end and permanently integral with a top wall of the lid by being glued to the top wall of the lid so that, when the inner container is in the closed position inserted inside the outer container, the control tab is folded up and is located entirely inside the outer container and, when the inner container is in the open position partly extracted from outer container, the control tab is unfolded. a top end permanently integral with a top wall of the outer container by being connected to the top wall of the outer container along a first fold line or by being glued to the top wall of the outer container; and a bottom end opposite the top end and permanently integral with a top wall of the lid by being glued to the top wall of the lid so that, when the inner container is in the closed position inserted inside the outer container, the control tab is folded up and is located entirely inside the outer container and, when the inner container is in the open position partly extracted from outer container, the control tab is unfolded.