self-mailer

[ self-mey-ler ]
/ ˈsɛlfˈmeɪ lər /

noun

an advertisement, booklet, or the like, that has space for a name, address, and postage and can be mailed without a wrapper or envelope.

Origin of self-mailer

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019