145.zip -

: All mailpieces must be separated by delivery route or Post Office Box section.

: Must be rectangular with square or slightly rounded corners (maximum 0.125-inch radius). Alternative Reference: KUIU ULTRA Merino 145 Zip-T Go to product viewer dialog for this item. 145.zip

: Mailings must consist of at least 200 pieces (or 50 pounds) but no more than 5,000 pieces per day per 5-digit ZIP Code. : All mailpieces must be separated by delivery

: More than 1/4 inch but not more than 3/4 inch thick. the pieces must meet specific dimensions:

To qualify under these standards, the pieces must meet specific dimensions: