Double Window Security Envelopes, 3-7/8 x 8-7/8, 500 Pack

These security envelopes are designed for invoices, statements, and important documents. They feature a double window design with a self-sealing flap for secure closure. The envelopes are tinted to help protect sensitive information and measure 3-7/8 by 8-7/8 inches. Made from 24-pound paper, they are sturdy and suitable for professional use. Each pack contains 500 envelopes, providing ample supply for business or personal needs.