Echo Media manages a cooperative envelope program consisting of a multitude of programs. Through alliances with numerous envelope programs, Echo Media has access to targeted databases that include unparalleled demographic information. These mailed envelopes contain inserts of both local and national advertisers, as well as retail and direct response advertisements. The majority of envelopes are either 6" x 9" or #10 in size and mail to millions of unduplicated households annually in the United States.