Posters & Flyers Share the EarthX Message with downloadable posters & flyers 1. Step One Download FREE Poster/Flyer file(s) Download Download 2. Step Two Print out 8.5×11 flyer on your desktop printer, or… Order Posters Up to 18×24 from an Office Supply Store. 3. Step Three Hang It Up Where Everyone Can See It! Break Room, School Room, Office… Anywhere.