● SM size (227 x 158 mm), 20 sheets, adopted paper thick section 156.5 G / m 2 (neutral paper · MPS D 02) adopted, laminated board cover, spiral coil loop bookbinding ● Maruman drawing papers thick 156.5 G / m² (MPS D 02): This is a representative Japanese paper that has been loved by every user for a long time, from amateur to professional. Heavy entrance is the thickness that makes the skin the most outstanding, and has been widely loved. Probably natural roughness (grain) on the surface enriches the expression. It is soft and absorbent, it is also suitable for watercolours. The colouring is good, and it has strength which is not easily damaged even if it is repaired or added. Natural white preferred by Japanese people, neutral paper using planted wood pulp. ● Coil Loop Binding: This is a process in which both ends of a wire are rounded to eliminate pointed parts. It features a safety design that significantly reduces the possibility of injury at the end of the wire.