500 No. 10 Flip and Seal Double Window Security Envelopes - Perfect Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes -Number 10 Size 4 1/8 X 9 ½ Inch

The Blue Summit Supplies #10 Security Envelope is a game-changer for businesses looking to streamline their mailing process while ensuring maximum security for sensitive documents.

With its innovative self-sealing design, you can quickly and easily stuff hundreds of invoices without the need for licking or moistening.

The dark security tint provides complete privacy for your documents, giving you peace of mind knowing they're safe from prying eyes.

Plus, the wide and large size can accommodate multiple pieces of business mail, making it a cost-effective solution for all your mailing needs.

Don't settle for anything less - choose the Blue Summit Supplies #10 Security Envelope for all your business mailing needs.