016 Notebook. Highly functional notebook that redefines usability with thin, soft ruled lines, optimum paper quality, and line spaces that make for easy writing. “Gokanshi,” a type of paper with a unique texture, is used to provide the cover with a distinct feel. Pages are made of fine quality 81.4g paper, selected after testing the feel of various writing instruments, such as pencils, ballpoint pens, and fountain pens. Cover comes in six vibrant colors.