The ornamental design for a carryingcase or cover for a seatcushion, as shown and described.
FIG. 1 is a front perspective view of a carrying case or cover for a seat cushion;
FIG. 2 is a front elevational view of the carrying case or cover for a seat cushion of FIG. 1;
FIG. 3 is a rear elevational view of the carrying case or cover for a seat cushion of FIG. 1;
FIG. 4 is a right-side elevational view of the carrying case or cover for a seat cushion of FIG. 1;
FIG. 5 is a left-side elevational view of the carrying case or cover for a seat cushion of FIG. 1;
FIG. 6 is a top plan view of the carrying case or cover for a seat cushion of FIG. 1;
FIG. 7 is a bottom plan view the carrying case or cover for a seat cushion of FIG. 1;
FIG. 8 is a front perspective view of the carrying case or cover for a seat cushion of FIG. 1 shown in a first folded configuration; and,
FIG. 9 is a front perspective view of the carrying case or cover for a seat cushion of FIG. 1 shown in a second inverted folded configuration.
The broken lines are included for the purpose of illustrating portions of the carrying case or cover for a seat cushion that form no part of the claimed design.