The Negima Anime FINAL Evangeline A.K. McDowell Mail Block was released in Japan in October 21, 2011 by Broccoli. It was promotional merchandise to go along with the movie that was released shortly before.
This mail block is part of a five-piece set, each featuring official character art from the Ala Alba series.
The item protects screens from scratches and acts as a veil of privacy.