LEUCHTTURM1917 Medium Address Book with sturdy black hardcover; rounded corners; A-Z thumb index; 128 pages; 8 perforated removable sheets. Paper is strong 100gsm acid-free, 'ink-proof' paper that takes all types of ink extremely well. 145 x 210mm (approx A5 size).
There's an expandable pocket inside the back cover; an elastic enclosure band and labels for filing purposes.