The article is a plastic container, possibly for drinking water, which has a curved shoulder and a bellows barrel.
FIG. 1 is a front view of a container showing my design, with all other sides being identical;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a cross sectional view thereof in a collapsed condition; and,
FIG. 5 is a cross sectional view taken of sectional area 5 from FIG. 1.