Delphonics classic Rollevern staple notebooks and dedicated underlay for notebook dials.It can be used as an index instead of a ruler on the surface and also comes with a pen holder that can hold thick pens ※ Material: PVC ※ Rolleburn notebook/notebook diary fits A6 size ※ Some color is used in the detail image. .Size: Length=145mm Width=125mm Item Color Trend:Blue