Leuchtturm1917 Classic Hardcover Master Sketchbook Black Hard cover and stickers for labeling and archiving Numbered pages and blank table of contents for easy organization and notes Acid-free and ink proof paper, expandable pocket inside back cover, page marker and elastic closure Thread-bound opens flat 233 numbered pages, 8 perforated pages, 8.75 x 12.5 x 0.86-inches