From Leuchtturm1917, the B5 soft cover falls between A5 and A4 sizes at 178 x 254 mm. It comes with 123 numbered pages with numbered pages, and an expandable pocket, for collecting and keeping safe any mementos or ticket stubs or whatever. At the beginning, there is a blank table of contents great for creating your own indexing of your notebook. Even if you don't use the table of contents page there are 2 fabric page markers to keep you on track of where you are. Elastic band fastener ensuring loose notes don't go astray and keeping those closed kept plans secret. Thread-bound book for durability and opens flat, which is fantastic for writing or sketching on, and ensuring 100% page usage. Acid-free paper, which makes it perfect for archiving important thoughts and notes, lasting years without yellowing or any degradation. Ink proof paper so there is no bleeding through to the other side of the page! Stickers for labeling and archiving. Founded in 1917, Leuchtturm can look back on over 90 years of experience in the production of high-quality stationery. The company was re-established in Hamburg in 1948. From the 1960s, Leuchtturm's international expansion continued apace, culminating in the company becoming the world's leading supplier of postage stamp and coin albums. Axel and Max Stürken took over management at the end of the 1990s as the fourth generation to head the traditional Hanseatic family-run company. Why not check out our work from home collection for all your stationary needs  What size is it?178 x 254 mm with a soft cover.