USPS Ruling Specifications

• • • Height between 4″ – 6″
    • Length between 8″ – 10.5″
    • 11/16″ paper strip pre-affixed to address panel side of EnvyPak
      • Paper strip runs flush with bottom and along entire length of EnvyPak
      • EnvyPak affixes inline as envelope is manufactured
    • Requires EnvyPak Smooth Anti-Reflective Polypropylene on address panel side only
      • Address and IMB can be printed on insert to show through the anti-reflective polypropylene
    • EnvyPak that is less than 6″ tall – paper strip must be on large web
    • Maximum clear gap = 0.2″
      • Option 1: Printed Side Seam (white print covers weld) – Maximum clear gap between inside of side seam and edge of insert = 0.2″
      • Option 2: Clear Side Seam (unprinted clear weld) – Envelope printed on one side to prevent clear gap. NO clear gap allowed.
    • No ancillary endorsements
    • Recommended minimum weight of insert = 80# cover Maximum clear gap = 0.2″
      • Option 1: Printed Side Seam (print over top of weld) – Maximum clear gap between inside of side seam and edge of insert = 0.2″
      • Option 2: Clear Side Seam (no print on weld) – Envelope printed on one side to prevent clear gap. NO clear gap allowed.

What does “Clear Gap” mean?

• A clear gap occurs when it is possible to see straight through both sides of the sealed envelope
• When the insert shifts left to right inside the envelope a clear gap occurs if the leading and trailing edges are clear / unprinted on both sides of the envelope.

Why is the 11/16″ paper strip required at the bottom of the EnvyPak?

• This paper strip is required so the USPS can inkjet a new barcode on this strip in the event that the address label IMB cannot be scanned during USPS sorting.

Is EnvyPak machine insertable?

• Yes, most lettershops can machine insert EnvyPak envelopes. Free test kits are available upon request.