Double Window Portrait

  • 9-1/2 x 12 Large First Class Envelope Double Windows in the Center for address cover sheets PES45 PEO41 - Discount Tax Forms

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

  • Large First Class Mail Envelope with Offset Alternate Windows, 9-5/8″ x 11-1/8″ - DiscountTaxForms.com

    First Class Mail Envelope with Offset Windows – 9-5/8″ x 11-1/8″

  • Large First Class Mail Envelope, Double Offset Windows, Blue. 9-1/2" x 12". Self Seal - DiscountTaxForms.com

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

  • Large First Class Mail Envelope, Double Top Windows, Green. 9-1/2" x 11-1/2" Self-Seal Flap - DiscountTaxForms.com

    First Class Mail Envelope with 2 Top Windows – 9-1/2″ x 11-1/2″

  • Large Client Tax Return Mailing Envelope with Stars and Stripes Design, Portrait-Vertical Format - DiscountTaxForms.com

    Stars & Stripes Envelope – Center Double Window – 9-1/2″ x 12″

  • Large, Blank Envelope with 2 Windows - DiscountTaxForms.com

    Large Blank Envelopes with 2 Center Windows – Portrait Style – 9-1/2″ x 12″

  • Large, First Class Mail Envelope, Double Windows in Center for Tax Software Coversheets - DiscountTaxForms.com

    First Class Mail Envelope with 2 Center Windows – 9-1/2″ x 11-1/2″

  • Large First Class Envelope with Small Top and Large Bottom Window for Tax Software Slipsheets for Address - DiscountTaxForms.com

    First Class Envelope with Small Top and Large Window – 9-1/2″ x 11-1/2″

  • Expanding First Class Mail Envelope with Alternate Windows Tyvek. Compatible with Creative Solutions, UltraTax, ATX, CCH and Prosystem software.

    Expanding Tyvek First Class Mail Envelope with Alternate Windows – 9″ x 12″ x 2″

  • Large White Envelope with Double Windows, Offset for To and From Address - DiscountTaxForms.com

    Large, Blank Double Window Envelope with Alternate Window Placement – 9-1/2″ x 12″