The ornamental design for a packablehangingshelfsystem and travel organizer for luggage, as shown and described.
FIG. 1 is a top front perspective view of a packable hanging shelf system and travel organizer in accordance with the present invention;
FIG. 2 is a bottom rear perspective view;
FIG. 3 is a front view;
FIG. 4 is a rear view;
FIG. 5 is a side view, the opposite side being a mirror image thereof;
FIG. 6 is a top view;
FIG. 7 is a bottom view; and,
FIG. 8 is a front perspective view illustration of the shelf system in relation to workpiece articles, which are shown in broken lines and form no part of the claimed design.