Multi-color poster on white paper shows a design using yellow, dark blue, and black as the main colors. A yellow border divides the page into three sections. The section at top reads, "SAT OCT 20 2007 / 8 to 9 PM / TURN OFF YOUR LIGHTS!" The center section shows an outline of a light bulb in yellow against a star filled sky. The filament of the bulb is cursive font that reads, "lightsoutsf.org." The bottom section begins with the text, "1 Night SAT OCT 20 / 1 HOUR 8 TO 9PM / 1 BULB FREE CFL* / *Limit one compact Fluorescent Light Bulb per Household. While supplies last. Visit lighoutsf.org for more information." Sponsor logos and a list of supporters are printed below.