Prepare for any auto event with a sign that's built for visibility and safety. This 24" x 30" "caution" auto racing flag is officially sized for auto racing and is constructed using knit polyester. They come conveniently mounted on a 3/4" x 30" wood staff. This yellow caution flag is ideal for any racing themed event, trade show, fun corporate event and much more. Flags are sold individually. We stock the green start flag, the red stop flag and the white one lap flag as well.