The Master Slim is the slim alternative from Leuchtturm1917. It is larger than A4 and can hold loose sheets between the pages and in the expandable pocket without the edges protruding. This notebook features 100 g/m² paper and 121 pages, making it 33% lighter than the Master Classic notebook. It is an ideal companion for those who want to write in ink and always have their notebook to hand. The notebook has a hardcover, rounded corners, an expandable pocket, an elastic fastener, a ribbon page marker, and a thread-stitched inner book that opens flat. It also includes cover and spine labels for labelling and archiving. Dimensions: 225 x 315 x 10mm. The pages are numbered, acid-free, and resistant to bleed-through. Eight pages are perforated for easy removal. This specific variant is black and lined.