500 No. 9 Double Window Security Envelopes - Designed for Quickbooks Invoices and Business Statements with Self Seal Peel and Seal Flap - Number 9 Size 3 7/8 Inch X 8 7/8 Inch

The Blue Summit Supplies Self Sealing Envelopes are the ultimate solution for securely sending invoices, statements, and other business documents through the mail.

With their unique two-window design, your sender and return addresses will be visible on the envelope, giving you peace of mind that your important documents are being delivered safely and efficiently.

The dark security tint provides complete business mail security, ensuring that your documents remain hidden from prying eyes.

Plus, the self-sealing design eliminates the need for licking or moistening, making it easy to use and maintaining a professional look throughout transit.

These envelopes are made of durable 24 LB white wove paper, providing maximum protection for your documents.

Don't settle for anything less, choose Blue Summit Supplies Self Sealing Envelopes for all your business mailing needs.