The ornamental design for a hairponytailband, as shown and described.
FIG. 1 is a diagrammatic perspective view of the hair ponytail band in full
lines, the human head shown in broken lines being for illustrative
purposes only and forming no part of the claimed invention.
FIG. 2 is a top plan view of the hair ponytail band, the bottom plan view
being a mirror image of the top view.
FIG. 3 is a right side elevational view thereof, the left side view being a
mirror image of the right side view; and,
FIG. 4 is a front elevational view thereof, the rear elevational view being
a mirror image of the front view.
The portions of the band that are not shown in the drawings are not being
claimed.