Permit Info
PERMITS
PRESORTED FIRST CLASS:

 PRST FIRST CLASS
U.S. POSTAGE
PAID
PERMIT#
CITY, STATE

 
FIRST CLASS NOT PRESORTED:

 FIRST CLASS
U.S. POSTAGE
PAID

PERMIT#
CITY, STATE

 
STANDARD MAIL:

 PRST STD
U.S. POSTAGE
PAID

PERMIT#
CITY, STATE

 
NON-PROFIT MAIL:

 NON-PROFIT ORG.
U.S. POSTAGE
PAID

PERMIT#
CITY, STATE

You don't have to spend money on your own permit.
You can use the Compu-Mail permit at no charge

For Complete USPS Permit Info

SIZE REQUIREMENTS
POSTAL CLASS TYPE OF MAILER MINIMUM SIZE MAXIMUM SIZE
First Class Postcard 3 1/2" x 5" 4 1/4" x 6"
  Letter or Card 3 1/2" x 6" 6 1/8" x 11 1/2"
  Flats   12" x 15"
Standard Mail Letter or Card 3 1/2" x 5" 6 1/8" x 11 1/2"
  Flats   12" x 15"

Aspect ratio (length divided by height) must be between 1 to 1.3 and 1 to 2.5"