LEUCHTTURM1917 Classic Pocket Notebook. Sturdy lemon yellow hard cover with rounded corners, an expandable pocket in the cover, elastic fastener, ribbon page marker and a thread-stitched inner book. 90 x 150mm size is compact and highly transportable. 185 numbered pages with a blank table of contents. 8 sheets are perforated and detachable. The thread-binding ensures the book can open flat without pages becoming loose. Acid-free paper is 80gsm 'ink-proof' paper that takes all types of pens very well.80 gsm. Also supplied are labels for cover and spine for easy filing when full. Available with 5mm dotted grid pages, 5mm squared, 6mm ruled or plain.