Business Source Double Window #10 Envelopes Double Window – #10 – 24 lb – Self-sealing – White – 500 / Box (BSN03141)

No. 10 Invoice Envelopes offer double windows for return address and mailing address. They are compatible with most standard 8-1/2″ x 11″ computer-generated invoices and statements. Poly windows and inside tint deliver privacy of contents. Self-sealing design makes them quick and easy to close. 24 lb. envelopes require no moisture to seal. Unique double-flap design keeps the gum from sticking before use. Simply raise the lower flap and press.