It is a set of three grid notes sized just to be sandwiched in almost a day notebook "WEEKS". One book enters 40 pages. Please use it when the WEEKS note runs out.
Size: Each side 81 mm × length 176 mm
Paper: Tomo eriver paper
Grid grid: 3.55 mm grid (wine red × 1 book, light blue × 1 book, dark brown x 1 book)