This A5 size notebook has thin and sturdy Tomoe River paper and
opens flat. This notebook uses an innovative ruled line design
developed based on design psychology, with a focus on reducing
eye strain. With a thickness of 10 mm and 288 pages, you can
write as much as you like in a single notebook. Its the same size as
the Hobonichi Techo, so you can use it with a techo cover as well.