The Splendoress Business Security Envelopes are designed to provide a secure and professional seal for your business correspondence. With a pack of 500 white envelopes, size 10, this product is perfect for sending confidential documents and letters. The self-seal feature ensures that once the envelope is sealed, it cannot be easily opened, providing extra security for your sensitive information. Designed by Splendoress, a trusted brand in business supplies, these envelopes are a reliable and efficient choice for your mailing needs. I also have US forever stamped 500 envelopes ready to go for busy lifestyles for flat $420