Double, Center Windows First Class Mail Envelope – 9-1/2″ x 12″

Large “Official First Class Mail” Envelopes with 2 Windows in the Center.

Easily mail large documents and tax returns in this double window 1st Class Mail envelope. Simply print an address cover sheet with your software and documents are ready to mail.

Get big discounts on larger quantities – no coupon required! Select options to see pricing.

With a 9-1/2″ x 12″ size, the envelope easily mails stores large documents with many pages. The windows have cellophane for security.

Choose a moisture seal or self-adhesive flap.

Tax Software Compatibility: CS UltraTax™, ATX™

Minimum 50 / Multiples of 50.


Product Details

9-1/2 x 12 First Class Mail Envelope with Double, Center Windows in Vertical Portrait Format with Blue Border

In stock and ready to ship! Easily mail tax returns or large documents in this official, first class mail envelope. It has 2 large cellophane windows in the center for slipsheets printed from CS UltraTax™ or ATX™ tax preparation software, or create your own address cover sheets.

Order as few as 50 envelopes and get big discounts on larger quantities.

Style: Portrait
Seal Type: Self Seal or Moisture Seal Flap
Size: 9-1/2″ x 12″
Paper Weight: 28#  envelope stock
Flap Opening: Short End
Print Color: Blue
Text: First Class Mail

Top Window Size: 2″ x 6″
Top Window From Left Side: 2″
Top Window From Bottom: 7-3/16″
Bottom Window Size: 2″ x 6″
Bottom Window From Left Side: 2″
Bottom Window From Bottom: 4-13/16″

Tax Software Compatibility: CS UltraTax™, ATX™

Item# PEO41 – Self-Adhesive Flap
Item# PES45 – Moisture Seal Flap


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