Sheet paper or other material capable of being written upon for taking notes and jottings

摘要

Sheet of paper or other material capable of being written upon for taking notes and jottings, which page (1) may or may not be provided with horizontal lines, squares or rectangles, where several vertical lines (2-3-4-5) of any chosen width appear on the lefthand side of the sheet of paper (1), which lines have a specific colour.