The coil can realize 360-degree page turning, and the double coil design does not jam or drop pages. The cover can be made of kraft paper or black card, and the inside page is beige eye protection paper, which can protect the eyes. The paper is fine and smooth, the ink will not bleed. Suitable for office work, journaling, writing creation and taking study notes. 10 1/8'' L x 6 7/8'' W