Sparco Single Window Invoice Envelopes Single Window – #10 – 4 1/2″ Width x 9 1/2″ Length – 24 lb – Self-sealing – Poly – 500 / Box – White

No. 10 invoice envelopes offer single windows for 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.

This product has been discontinued.