Software Compatible Window Envelopes

Use with software or custom slip sheet.Offers staggered window position as preferred by the USPS. Blank for versatile use either as First Class or Priority mail.   Style: PortraitSize: 9 1/2" x 12"Top Window Size: 1 3/4" x 5 1/2"Top Window From Left...

Use with software or custom slip sheet.Opens on long edge to accommodate larger documents. Offers staggered window position as preferred by the USPS. Blank for versatile use either as First Class or Priority mail. Style: PortraitSize: 9 1/2" x 12"Top...

Landscape envelopes are preferred by the USPS. Use software generated or custom slip sheet to mail any confidential returns or reports.     Style: LandscapeSize: 10" x 13"Top Window Size: 2 1/8" x 5"Top Window From Left Side: 1 7/16"Top Window...

Landscape envelopes are preferred by the USPS. Use software generated or custom slip sheet to mail any confidential returns or reports.     Style: LandscapeSize: 10" x 13"Top Window Size: 2 1/8" x 5"Top Window From Left Side: 1 7/16"Top Window...

Windows align with software-produced or custom cover sheets.   Style: LandscapeSize: 9" x 11 1/2"Top Window Size: 1 1/2" x 4 1/2"Top Window From Left Side: 1 1/16"Top Window From Bottom: 6 9/16"Bottom Window Size: 2" x 4 1/2"Bottom Window From Left...

Use seamlessly with compatible software, or create your own custom slip sheet. A blue interior tint adds security while the cellophane window allows the recipient name and address to clearly show through. Landscape First Class Envelope   ...

Use seamlessly with compatible software, or create your own custom slip sheet. A blue interior tint adds security while the cellophane window allows the recipient name and address to clearly show through. Landscape First Class Envelope   ...

Use with software generated or custom slip sheet to mail any confidential documents.   Style: LandscapeSize: 9 1/2" x 11 1/2"Top Window Size: 2" x 4 1/2"Top Window From Left Side: 1 1/4"Top Window From Bottom: 6 7/16"Bottom Window Size: 2" x 4...

Use with software generated or custom slip sheets to mail any confidential reports or returns.   Style: LandscapeSize: 9 1/2" x 11 1/2"Top Window Size: 2" x 4 1/2"Top Window From Left Side: 1 1/4"Top Window From Bottom: 6 7/16"Bottom Window Size: 2"...

Use with software generated or custom slip sheet to mail any confidential documents. Expansion envelope has a sleeve to hold slip sheet in place.   Style: LandscapeSize: 9 1/2" x 12 x 1Top Window Size: 2" x 4 1/2"Top Window From Left Side: 1 1/4"Top...

Use with software generated or custom slip sheets to mail return to IRS. Filing instructions on the back underneath the flap   Style: LandscapeSize: 9 1/2" x 11 1/2"Top Window Size: 2" x 4 1/2"Top Window From Left Side: 1 1/4"Top Window From...

Use this blank double window envelope to easily mail any tax return or report. using software or custom slip sheets. A blue interior tint adds security while the cellophane windows allows the "From" and "To" addresses to clearly show through.  ...