upwards the container circumference decreases until the upper body portion 114 merges with the neck 106 the neck 106 can include a finish 108 for attaching a closure which can be for example threads other closure attachment structures known in the art can also be used the present invention is also directed to a method of blow molding the container 100 described above the method of blow molding can be injection stretch or extrusion blow molding in an exemplary embodiment the container is prepared by extrusion blow molding the container can be blow molded from a thermoplastic material the container can be made of a polyolefin such as polyethylene for example low density polyethylene ldpe or high density polyethylene hdpe or polypropylene a polyester for example polyethylene terephthalate pet polyethylene naphtalate pen or others which can also include additives to vary the physical or chemical properties of the material in the illustrated embodiment there are four central surfaces 118 separated by four corner edges 120 the central surfaces 118 are substantially flat and are present primarily on the mid body portion accordingly the corner edges 120 exist only in the mid body portion 112 however embodiments where the central surfaces 120 extend further into the lower 110 and upper body portions 114 are also possible the central surfaces are also depicted as oval shaped in the figures but other circular or polygonal shapes are possible as depicted in the figures the diameter or width of the lower body 110 and upper body.