At 03:28 PM 11/10/2008, Richard Golen wrote...
>After a year or two, the plastic dried, and then cracked and the
>covers crumbled into fragments.

I found a metal baby formula can was the perfect size. Cut it shorter
with tin snips, bent the sharp edge over with pliers, and painted it. I
don't think it would hold on while underway, but works fine when
parked.