Single Window, Portrait Style First Class Mail Envelope

A large, “Official First Class Mail”  envelope with a single window.

This single-window envelope makes it easy to mail large documents and tax returns with an address cover sheet.

With a 9-1/2″ x 11-1/2″ size, the envelope easily mails stores large documents with many pages. The window has cellophane for security.


Product Details

Style: Portrait
Seal Type: Self Seal or Moisture Seal Flap
Size: 9-1/2″ x 11-1/2 ”
Top Window Size: 1-5/8″ x 5-3/8″
Top Window From Left Side: 1″
Top Window From Bottom: 8-5/8″
Paper Weight: 28# envelope stock
Flap Opening: Short End


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