: 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.
: Delivery statistics and route information must be obtained using the USPS EDDM web tool . Physical Standards for 145 Flats 145.zip
: More than 11-1/2 inches but not more than 15 inches long. : Must be rectangular with square or slightly