We claim the ornamental design for a non-folding car seat for a child, as shown and described.
FIG. 1 is a rear view of the inventive non-folding car seat for a child.
FIG. 2 is a front view of the inventive non-folding car seat for a child.
FIG. 3 is a right side view of the non-folding car seat for a child.
FIG. 4 is a left side view of the non-folding car seat for a child.
FIG. 5 is a top view of the non-folding car seat for a child.
FIG. 6 is a bottom view of the non-folding car seat for a child; and,
FIG. 7 is a top perspective view of the non-folding car seat for a child.
The dotted lines found in FIGS. 1-4, and 7 represent a breakaway area for a structure having no specific length, in particular the handle of the non-folding car seat for a child.