No. 9 invoice envelopes offer double windows for return address and mailing address. Compatible with most letter-size computer-generated invoices and statements. Poly 24 lb. window envelopes have inside blue security tint for privacy of contents. Self-sealing design makes them quick and easy to close.
|Manufacturer Part Number||38528|
|Product Name||Double Window Envelope|
|Packaged Quantity||500 / Box|
|Mailer/Envelope Type||Double Window|
|Mailer/Envelope Weight||24 lb|
Sparco Double Window Envelope, #9, 500/Box
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