Flange for a breast pump

FIG. 1 is a front perspective view of a flange for a breast pump showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a back perspective view thereof.

The dash-dash broken lines in the drawings depict portions of the flange for a breast pump that form no part of the claimed design.