Changing picture mailers are perfect direct mail for communicating before and after product results, change, or simply communicating a message in two stages. The interaction they create means that the respondent will spend longer looking at the direct mail and reading your marketing. Changing picture mailers also have a great share rate, increasing your audience even further. With an imaginative graphic design applied the changing picture mailers are a fantastic source of amusement that offer high response rates, retention and sharing.