Standard Mail®

A mail class consisting of eligible matter that is not required to be mailed using First-Class Mail or Periodicals service. Standard Mail matter weighs less than 16 ounces. It comprises six products: (a) letters; (b) flats; (c) parcels and not flat-machinables (NFMs); (d) high density and saturation letters; (e) high density and saturation flats and parcels; and (f) carrier route letters, flats, and parcels. Standard Mail matter includes circulars, printed matter, pamphlets, catalogs, newsletters, direct mail, and merchandise. Standard Mail matter may be sent at presorted prices and at automation prices. Standard Mail service is a market dominant product.