Outer sleeve and blank therefor

An outer sleeve includes first and second opposed side panels edges, hinge panels interconnecting the first and second side panels such that at least one chamber is defined between the first and second side panels, at least one of the hinge panels being hingedly connected to at least one of the first and second side panels along one of the opposed side edges of the at least one side panel, and at least one inner panel positioned at least in part inside the at least one chamber. The at least one inner panel includes a slide card locking mechanism for releasably locking at least one slide card in a locked position within the at least one chamber. The at least one side panel includes a release button positioned proximate the slide card locking mechanism of the at least one inner panel. The at least one inner panel is hingedly connected to one of the end edges of the at least one panel.