The Negima & Hayate Nodoka & Maria Clear File Set was released in Japan in by Movic for ￥735. It was promotional merchandise to go along with the movie that was released the same year.
The files are a joint piece of merchandise for the Negima Anime FINAL and Hayate the Combat Butler! Heaven Is a Place on Earth films that were released in 2011. This set includes two different files, one featuring Negima's Nodoka and the other with Hayate's Maria. This is one of three separate file sets released for the films.
They are double sided with full color printing. They are approximately size A4.