This Lighthouse Stamp Stockbook has 64 Black Cardboard Pages. Nine glassine strips per page, with double glassine interleaving. Also has double linen hinged binding, so pages lay flat when book is opened. Stockbooks are great for storing stamps not yet given space in printed albums, as well as keeping duplicates and extra stamps for trading, also recommended for starting topical collections. Item # Deluxe S64. Overall size 9"x12" (230mm x 305mm). Hardcover.