FIG. 1 is a top plan view of an inflatable cushion, showing my new design, in deflated condition, the bottom being a mirror image of that shown;

FIG. 2 is a top perspective view of my new design in inflated condition;

FIG. 3 is an enlarged cross-sectional view taken along line 3--3 in FIG. 2;

FIG. 4 is an enlarged top plan view of FIG. 2;

FIG. 5 is an enlarged side elevation view of FIG. 2; and,

FIG. 6 is an enlarged bottom plan view thereof.