#9 Security Tinted Self-Seal Envelopes: Designed with a premium security tint to protect sensitive information, these envelopes feature a super strong self-seal closure, making them perfect for use with laser checks from popular accounting software such as QuickBooks® and Quicken®.

Premium Security Tinted Pattern: Our #9 envelopes are equipped with a premium security printed design to safeguard contents and sensitive information, ideal for secure business and legal mailing.

Double Window Design: These envelopes are tailored for standard checks from most accounting programs, eliminating the need for labeling or hand-addressing, and perfect for quick, mass business mailings.

Quick-Seal Closure: Featuring an ultra-strong self-seal adhesive strip, our #9 envelopes create a full, secure seal across each envelope’s width, ensuring they won’t easily open or tear—ideal for business checks.

Perfect for everyday business mailing and large mailing tasks! Forget cheap envelopes that easily split; our design ensures fast, reliable mailing.

Please check to ensure the measurements of the windows to know if the product will work for your needs.
Envelope Size: 3-7/8″ x 8-7/8″
Window Positions:
Upper Window:
From left edge: 3/8″
From the bottom of the window: 2-1/2″ to the bottom of the envelope
Upper window size: 3-1/2″ x 7/8″
Lower Window:
From left edge: 7/8″
From bottom of the window: 5/8″ to bottom of the envelope
Lower window size: 3-1/2″ x 1″
QuickBooks® and Quicken® are registered trademarks of their respective owners. This product is not affiliated with or endorsed by these companies.

Please download and print the attached PDF to ensure that this envelope is perfect for you.

ENV-4 print.pdf