You can choose between two types of writing comfort / whether you want to write on your personal preferences such as the strength of writing power, speed of writing and writing speed, and the use of the writing instrument. Easy to use and designed ruled contents/campus notes, so that the vertical lines can be pulled accurately, and the triangular memory points are placed on the center and the left edges. The original original original paper that is perfect for writing; Uses Kokuyo original original original paper that is smooth and firm; the ink is not easy to see through the back. It is also acid free paper for long term storage. Paper quality/high quality paper; Paper thickness: 2.9 oz/yd2, 0.04 in (75 g/m2, 0.10 mm); Round holes; Dimensions (H x W): 10.0 x 7.2 in (257 x 182 mm)