Tobias Reed
Tobias Reed Production Knowledge Lead at 4OVER4.COM
Question

What is the most popular brochure size for mailing?

Answer

For mailing, the 8.5 x 11 tri-fold is the runaway favorite. Folded, it measures roughly 3.67 x 8.5, which drops neatly into a standard #10 business envelope and keeps postage in the letter rate range.

  • Flat size: 8.5 x 11, folded into thirds
  • Folded footprint: about 3.67 x 8.5, sized for a #10 envelope
  • Postage benefit: no custom envelope needed, which keeps mailing costs down
  • Why it is default: works for direct mail across nearly every industry

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