A ring notebook that uses KOKUYO\’s proprietary \”new sensation soft ring It is a new standard notebook that can be folded back so that it is easy to write even in a narrow space and it is easy to look back Since the ring shape is \”D-shaped\”, the ring width is compact and there is no bulky feeling unique to ring notebooks Since the rings are colored, you can distinguish them by their spines when you classify them by color By reducing the unevenness of the surface of the paper, dirt from the pencil lead is less likely to remain.In addition,you can write smoothly with less pencil snagging