A carton for holding a plurality of containers, the carton comprising: a plurality of panels that extends at least partially around an interior of the carton, the plurality of panels comprises a top panel, a first side panel foldably connected to the top panel, a bottom panel foldably connected to the first side panel, a second side panel foldably connected to the bottom panel, and a corner reinforcement flap foldably connected to the top panel; a reinforcing insert comprising a central panel and at least one reinforcing side flap (219, 221), the central panel being at least partially in face-to-face contact with at least a portion of the top panel; and a container-restraining structure comprising the at least one reinforcing side flap being positioned adjacent the first side panel to restrain at least one container of the plurality of containers that is adjacent the first side panel, and the corner reinforcement flap positioned adjacent the second side panel to restrain at least one container of the plurality of containers adjacent the second side panel, the at least one reinforcing side flap comprises a proximal portion foldably connected to the central panel, an intermediate portion foldably connected to the proximal portion, and a distal portion foldably connected to the intermediate portion, characterised in that the distal portion of the at least one reinforcing side flap is at least partially in face-to-face contact with the first side panel and each of the proximal portion and the intermediate portion of the at least one reinforcing side flap extends in an oblique direction and is spaced apart from the first side panel to restrain at least one container of the plurality of containers. a plurality of panels that extends at least partially around an interior of the carton, the plurality of panels comprises a top panel, a first side panel foldably connected to the top panel, a bottom panel foldably connected to the first side panel, a second side panel foldably connected to the bottom panel, and a corner reinforcement flap foldably connected to the top panel; a reinforcing insert comprising a central panel and at least one reinforcing side flap (219, 221), the central panel being at least partially in face-to-face contact with at least a portion of the top panel; and a container-restraining structure comprising the at least one reinforcing side flap being positioned adjacent the first side panel to restrain at least one container of the plurality of containers that is adjacent the first side panel, and the corner reinforcement flap positioned adjacent the second side panel to restrain at least one container of the plurality of containers adjacent the second side panel, the at least one reinforcing side flap comprises a proximal portion foldably connected to the central panel, an intermediate portion foldably connected to the proximal portion, and a distal portion foldably connected to the intermediate portion, characterised in that the distal portion of the at least one reinforcing side flap is at least partially in face-to-face contact with the first side panel and each of the proximal portion and the intermediate portion of the at least one reinforcing side flap extends in an oblique direction and is spaced apart from the first side panel to restrain at least one container of the plurality of containers.