Sparco Products Invoice Envelopes,Double Wind.,No. 9,3-7/8"x8-7/8",500/BX,WE

Sparco Products Invoice Envelopes,Double Window.,No. 9,3-7/8"x8-7/8",500/BX,WENo. 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., UPC: 0-35255-38528-2