First Class Mail Envelope with Alternate Windows – 9-1/2″ x 12″

Large “Official First Class Mail” Envelopes with Alternate Window Placement

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.

Order as few as 50 envelopes and get big discounts on larger quantities! Select options to see pricing.

With a 9-1/2″ x 12″ size, the envelope easily mails stores large documents with many pages. Both windows have cellophane for security. The offset window format ensures better delivery accuracy from the USPS.

Choose a moisture seal or self-adhesive flap.

Tax Software Compatibility: CS UltraTax™

Minimum of 50 / Multiples of 50.

Product Details

9-1/2 x 12 First Class Mail Envelope, Vertical Portrait Format with 2 Offset Windows and 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 offset, alternate format for slipsheets printed from CS UltraTax™ tax preparation software, or create your own address cover sheets.

Get big discounts on first class envelopes – no coupon code required with The Tax Form Gals!

Offset Window First Class Envelope Specs:

Style: Portrait
Size: 9-1/2″ x 12″
Seal Type: Self Seal or Moisture Seal
Flap Opening: Short End
Weight: 28#
Ink Color: Blue
Text: FROM: / TO: / FIRST CLASS MAIL

Top Window Size: 1-3/4″ x 5-1/2″
Top Window From Left Side: 1-1/8″
Top Window From Bottom: 8-7/8″
Bottom Window Size: 2″ x 6″
Bottom Window From Left Side: 2″
Bottom Window From Bottom: 4-3/4″

Tax Software Compatibility: CS UltraTax™

Moisture Seal Item# PRK37
Self-Adhesive Item# PEQ43