Composite seat cushion
US D648169 S1
The ornamental design for a composite seat cushion, as shown and described.
FIG. 1 is a rear perspective view of the composite seat cushion showing my new design;
FIG. 2 is top plan view of the composite seat cushion showing my new design;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof,
FIG. 5 is a front elevational view thereof
FIG. 6 is the left side elevational view thereof; and,
FIG. 7 is the right side elevational view thereof.
All broken lines are for illustrative purposes only, and form no part of the claimed design.