Are the Brochure sizes listed flat or folded?

The sizes listed in the product configurator are the unfolded, flat size of the brochure. Most people design a brochure as a flat size, rather than one document per panel. The same flat size can be folded in many different ways. For example, a 14"x8.5" could be tri-folded, half-folded, 4-panel accordion folded, etc., with each option producing a different folded size.