a packaging system for soft - walled plastic containers of tapered or other non - cylindrical shapes has a supporting base to which the containers are secured , with a superposed positioning means engaging the upper portions of the containers ; and load transfer spacer sheets extending upwardly in substantially coplanar relation with the tops of the containers , to support a superposed similar package , for palletizing . the package may be strapped , horizontally or vertically and used in plasti - wrapped multi - tier pallet loads . the supporting base may be a tray , which can be of the nesting variety . formed or die - cut top sheets can be used in combination with the load - transfer spacer sheets