When it comes to mailing larger papers or documents, you need a large envelope that provides both sufficient space and security for your mail as it travels to its destination. These envelopes are just the thing. These straight flap envelopes are made out of smooth, high quality paper and feature reliable gum closures. The clean, crisp, white color of these envelopes makes them great for any personal or professional mailing purpose!Details:Available in multiple countsWhite12" x 15.5"24 lb. (90 gsm)Paper