Carton and carton blank

A blank comprising a plurality of panels for forming a carton which includes a top wall, a first side wall, a second side wall, at least one end wall, and a bottom wall, the plurality of panels of the blank include inner and outer panels and a top end closure panel, the inner and outer panels being disposed in at least partially overlapping relationship to form the top wall when the blank is erected into a carton, the end closure panel providing at least a part of the at least one end wall when the blank is erected into a carton, the blank further comprising a handle structure including inner and outer handle straps, the outer handle strap being defined at least in part in the outer panel, and the inner handle strap being defined at least in part in the inner panel, the outer handle strap having first and second opposed ends and being continuously formed with the outer panel at the first end and severably attached by a frangible connection to the outer panel at the second end, the inner handle strap comprising a first end disposed in the inner panel and continuously formed with the inner panel, the inner handle strap comprising a second end disposed in the top end closure panel, the outer handle strap being arranged to be securable to the inner handle strap, the handle structure having a central portion defined by the outer handle strap, the central portion, in a set-up carton, is displaceable out of the plane of the outer panel upon severance of the frangible connection, the blank further comprising an access device defined at least in part in the outer panel and at least in part in the inner panel, the access device being disposed adjacent to the first end of the outer handle strap.