5mm grid ruled for easy drawing of figures and tables. You can use either the vertical or horizontal orientation of the note. The ruled lines have marks in the center of the top, bottom, left, and right, which is convenient when dividing notes. It is a dark gray ruled line that does not interfere with writing. A cut-off type with micro perforations that allows you to cleanly separate only the pages you need. The size of the paper after cutting is positive A4 size. The calm design and texture are perfect for the business scene. It is an environmentally friendly product that uses forest certified paper for the inner paper.