Mnemosyne Spiral Bound N109 A4 Dot Grid Notebook- 11.7x9.3 inches
The Mnemosyne N109 A4 spiral bound, 5 mm DOT GRID notebook has its pages in a portrait (vertical) orientation based on page headings, with repeating pages on the front an d back.
There are 70 sheets of micro-perforated paper for ease of removal. The notebook measures 11 5/8 inches wide by 9 1/4 inches high overall. Usable paper size, after tearing out at perforation, is 11 5/8 wide by 8 1/4 inches high (297 by 220 mm). There is a "Title" and "Date/No." block at the top of the front of the page, with the back of each page being entirely blank.
Paper is 80 GSM- lightweight, but heavy enough to take most fountain pen inks without bleed-through. All Mnemosyne notebooks, including the model N109, have a durable, black plastic front cover. The N109 has a heavy paperboard back cover. Binding is twin wire spiral binding in black, matching the cover.