The ornamental design for a flexibleplasticcorsageholderband, as shown and described.
FIG. 1 is a perspective view of the flexible plastic corsage holder band of my new design as tied about the wrist of a person illustrated in dashed lines;
FIG. 2 is a top plan view of the flexible plastic corsage holder band of FIG. 1;
FIG. 3 is a side elevational view of the flexible plastic corsage holder band of FIG. 1, the opposite side being a mirror image of the side shown;
FIG. 4 is a front elevational view of the flexible plastic corsage holder band of FIG. 1, the back elevational view being a mirror image of the front elevational view; and,
FIG. 5 is a bottom plan view of the flexible plastic corsage holder band of FIG. 1.
The dashed lines showing the wrist of a person and the flowers attached to the corsage holder band are for illustrative purposes only and form no part of the claimed design.