No. 9 invoice envelopes offer double windows for return address and mailing address. Compatible with most standard 8-1/2"" x 11"" computer-generated invoices and statements. Top window (1-3/16"" x 3-1/2"") is positioned 3/8"" from left and 2"" from the bottom of the envelope. Bottom window (1"" x 4"") is 3/8"" from the left and 1/2"" from the bottom. 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.

Reveal-n-Seal Envelopes with double windows feature a unique adhesive that provides strong, moisture-free secure seal and an extended shelf life. You'll have no removable strip to throw away. Inside tint and perforations along flap reveal any tampering. No. 8-5/8 envelopes are compatible with most standard checks for payroll and accounts payable applications. 24 lb.

Reveal-n-Seal Envelopes with double windows feature a unique adhesive that provides strong, moisture-free secure seal and an extended shelf life. You'll have no removable strip to throw away. Inside tint and perforations along flap reveal any tampering. No. 9 envelopes are compatible with most standard 8-1/2"" x 11"" invoices and statements. 24 lb.