Commercial Reusable
An outgoing and return envelope all in one - saving space printing inserting and the environment. The preprinted FIM (Facing Identification Mark) on the BRE (Business Reply Envelope) and CRE (Courtesy Reply Envelope) help to facilitate efficient postal processing.Note This round trip envelope&039s outgoing dimensions are 4 11/16 x 9 1/4 the return size is 4 1/16 x 9 1/4.