Minimum size: All pieces must be at least 5 inches long, 3-1/2 inches high and 0.007 inch thick. EDDM Retail flats also must have at least one dimension greater than 10-½ inches long, 6-1/8 inches high, …

Mar 7, 2025 · Learn the standard EDDM sizes, USPS requirements, and best postcard formats to ensure your direct mail campaign reaches the right audience.

Aug 13, 2025 · Discover essential EDDM size and paper requirements for 2025 to enhance your Every Door Direct Mail marketing strategy and drive business growth.

Learn about the eddm size guidelines without reading the United State Postal Service's 1,000+ page Domestic Mail Manual.

Every Door Direct Mail® postcards come in various sizes. Here, we explore the 3 most popular EDDM sizes and how to choose your postcard size.

When deciding whether flats conform to mailing stan ­dards, keep in mind that the length of a flat-size mailpiece is its longest dimension and the height is the dimension perpendicular to its length.

Jul 28, 2023 · In order to make things easier for you, we created this article to spotlight practical EDDM sizes along with the necessary EDDM requirements for your upcoming direct mail project.

Jan 9, 2021 · We’ve created a handy size checker and compiled all the direct mail dimensions you need to know to ensure your EDDM ® pieces are compliant with USPS regulations. If you already know …

Mar 20, 2025 · The USPS is serious about its EDDM size requirements, and you should be, too. Pick the wrong size, and your mailers won't see the light of your neighbors' mailboxes.

For detailed size criteria and measurements for EDDM mailpieces, see Physical Standards for Flats. Mailpieces are simply addressed to "Postal Customer" and your mail will be delivered to every …