Lighthouse Hardcover Stamp Album Stockbook with 16 Black Pages, Blue, LS4/8 LS4 series 9" x 12" hardcover stamp stockbook (LS2 series is only 6.5" x 9") Rigid binding allows pages to lie absolutely flat when open Archival quality so stamps or other contents will not be harmed over time Construction: Black cardboard, clear strips and glassine interleaves Model LS4/8BL - 16 page capacity (8 pages double sided), 9 strips per page