40 and 42 side panels 20 and 22 and top panel 24 as best shown in fig1 the weakened line 60 on the top panel 20 is displaced from the dispensing end of the carton 10 portions of the carton that lie on either side of the weakened line 60 may be severed from one another along the weakened line in one embodiment the portion of the weakened line 60 across the major flaps 40 and 42 is a fold line segment that serves as a hinge about which opposing panel portions may be pivoted with respect to one another while the other portion of the weakened line 60 is a tear line segment along which the carton panels may be severed the weakened line 60 is used as a reference for defining the lower portions 62 64 and upper portions 66 68 of the major flaps 40 42 the weakened line 60 may be a line of severance or a hinge providing line that facilitates separation or folding of the panel portions lying on either side of the weakened line 60 it is contemplated that weakened lines include but are not limited to perforated lines tear strips score lines half cut lines lines of short slits lines of nick members or the equivalents the weakened line 60 terminates at edges 56 and 58 of the major flaps 40 and 42 respectively the full extension of the weakened line 60 defines a displaceable portion 70 when the carton 10 is erected the displaceable portion 70 may be configured as shown in fig2 and 3 or alternatively configured into.