Hilroy Security Envelopes No. 10, 40-pack, offers a secure and organized solution for your mailing needs. These envelopes are designed to protect your sensitive or confidential documents during transit. With a convenient pack of 40, you'll have an ample supply of these No. 10 envelopes on hand for various mailing purposes, from personal correspondence to business communications. Hilroy's commitment to security and quality ensures that your important papers stay protected and confidential when you use these envelopes, making them a valuable addition to your stationery collection.