FIG. 1 is a front elevational view of a closure for a container with retaining ring, showing our new design, the rear elevational view being identical thereto;

FIG. 2 is a left side elevational view thereof, the right side elevational view being identical thereto;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines in FIGS. 1–4 showing a portion of the container depict the bounds of the claimed design but form no part of the claimed design.