Full-featured bound books are smyth-sewn for durability and a flatter writing surface at binding margin. Premium white acid-free paper and permanent waterproof inks help preserve recorded information. Unit ruled numbered pages. Undated for ultimate flexibility. Includes Table of Contents page. Pages Per Book: 150 Book Size (W x H): 8 1/8 in x 10 3/8 in Sheet Size (W x H): 7 7/8 in x 10.160 in Ruling: Record.Unit of Measure : Each