FIG. 1 is an isometric view of a push-pull dispensing cap showing the new design;

FIG. 2 is front elevational view thereof, the rear being a mirror image;

FIG. 3 is left side elevational view thereof, the right side being a mirror image; and,

FIG. 4 is a top plan view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.