The BX500 mailing bag is perfect for securely shipping letters, documents, and other flat items in C5 format. Made from robust 90gsm material and featuring a self-adhesive flap, this mailing bag offers optimal protection against damage during transport. The white material provides a professional appearance and is easy to label or print. The high-quality workmanship ensures long-lasting durability and reliability, even with frequent use. With the BX500 mailing bags, you're always on the safe side when it comes to shipping your important documents. Order today and see for yourself the quality and functionality of these practical mailing bags.