See Why Buy for the importance of the environmental attributes of these papers.
Reply Mail Envelopes (for eliciting a response from recipient to whom the sender sent the BRM or CRM mail piece)
BRM -- Business Reply Mail (sender provides this envelope with sender's return address printed in the address line, postage paid under sender's Mail Permit so that recipient of original mail piece need not place postage on BRM mail piece)
CRM -- Courtesy Reply Mail (sender provides this convenience/courtesy envelope with sender's return address printed in the address line, requiring recipient of original mail piece to "place stamp here" on CRM mail piece).
Other sizes available in CRM and BRM styles (special order items through Contact Us):