Columbian 9 x 12 Security Envelopes, 100Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White COLO930

The Columbian Envelopes Columbian 9 x 12 Catalog Mailing Envelopes are a great choice for anyone looking for a sturdy, reliable envelope for mailing catalogs, bulletins or books. The simply safe tamper-evident seal adds an extra layer of security for important materials. The pull-strip makes it easy to seal these envelopes with little effort. The security tint ensures that the contents of the envelope remain private, while the white color of the envelope adds a professional touch. The Columbian Envelopes are Constructed to be sturdy and thick, making them a great value for the price. They are easy to use and seal, even when dealing with multiple envelopes, as one reviewer noted while stuffing over 600 envelopes with books. There were some limitations, such as the size of the envelope and a tight fit for an 8-1/2 X 11 paper. However, these issues were minor and can be easily worked around. Overall, the Columbian Envelopes Columbian 9 x 12 Catalog Mailing Envelopes are a great choice for anyone who wants a reliable, sturdy envelope that is easy to use and provides an extra layer of security.