Advantages of Using Catalog Envelopes When looking at the efficiency and flexibility of mailing options for businesses and individual senders, catalog envelopes stand out as a stellar choice. Known for their capacity to comfortably house thicker materials such as catalogs, brochures, and hefty documents, these envelopes serve as an essential tool in marketing and information distribution. Catalog envelopes are crafted to endure the rigors of postal handling, ensuring that .