from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A folder that can be mailed without being enclosed in an envelope.
Sorry, no etymologies found.
Starting this year, your city sticker will come in a self-mailer.
A brochure might work if we designed it as a self-mailer—that is, a piece that is mailed by itself rather than being placed into an envelope.
Postal Service self-mailer, in addition to other direct mail applications.
I take that form, I flip it over, I point out with a smile that it's a self-mailer, no postage necessary and give them the personal responsibility of mailing it in themselves. "