: Delivery statistics and route information must be obtained using the USPS EDDM web tool . Physical Standards for 145 Flats
: More than 11-1/2 inches but not more than 15 inches long. 145.zip
If your request refers to technical text for a product description, "145 Zip" often refers to the from KUIU . Material : Uses Nuyarn® Merino technology. : Delivery statistics and route information must be
: All mailpieces must be separated by delivery route or Post Office Box section. 145.zip
This section outlines the requirements for preparing EDDM-Retail flats to ensure they are accepted for delivery.
: More than 1/4 inch but not more than 3/4 inch thick.