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