D’Addario Archives music manuscript paper is the finest quality available. Archives utilizes the same type of balanced pH paper used by the Library of Congress, ensuring your compositions will look their best and will last a long time. Archives Standard Bound books are 9 by 12 size, except for the B6S-64ST student book which is 7 by 8 . Quality eggshell Archives paper stock, stitched, folded, and perforated for easy sheet removal. Features 64 pages, 6 staves per page, standard bound, balanced pH paper ensures high quality and long life sturdy leathertone cover.