"Political mailers" are printed materials, like leaflets or flyers, that are sent through mail for political purposes. They are used to communicate information about candidates, political positions, or campaigns to voters. Full definition
Casey and Grant's connection to the WNY Progressive caucus is the subject of speculation but sources said the two were business partners in a firm that produced political mailers. (nystateofpolitics.com)
On her recent political mailer where she talked about saving schools she also mentioned saving firehouses. (queens-politics.com)
Campaign experts all over the country were left holding a handful of yard signs and expensive political mailers, wondering how in the world this could have happened. (epolitics.com)