Leuchtturm1917 Pocket Hardcover Notebook, 3.5 X 5.9 inches, 185 Lined Pages, Green (338735) 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 185 numbered pages, 8 perforated pages, 3.5 x 6-inches