Keep your important documents safe and secure with these Quality Park #8 5/8 Redi-Seal double window security envelopes. This box contains 500 units, making it perfect for any busy office or individual needing to send out multiple mailings. These envelopes are made in Mexico and are of high quality, ensuring that your documents arrive at their destination in pristine condition. The double window design allows for easy visibility of both the sender and recipient addresses, while the Redi-Seal closure ensures a quick and secure seal without the need for moisture. These envelopes are perfect for any business or personal mailing needs, and are sure to impress with their professional appearance.