The ornamental design for a fasteningmember of a disposable diaper, as shown and described.
FIG. 1 is a depiction of a right fastening member of a disposable diaper shown apart from the diaper, with the outside surface facing the viewer;
FIG. 2 is a depiction of a left fastening member of a disposable diaper shown apart from the diaper, with the outside surface facing the viewer;
FIG. 3 is a depiction of a left fastening member of a disposable diaper shown apart from the diaper, with the inside (wearer-facing) surface facing the viewer;
FIG. 4 is a depiction of a right fastening member of a disposable diaper shown apart from the diaper, with the inside (wearer-facing) surface facing the viewer;
FIG. 5 is a depiction of left and right fastening members shown as part of a disposable diaper, outside surfaces facing the viewer; and,
FIG. 6 is a depiction of left and right fastening members shown as part of a disposable diaper, inside (wearer-facing) surfaces facing the viewer.
The broken lines shown are for illustrative purposes only and form no part of the claimed design.