... 1) Cover: hard cardboard 2) Inner: wood free paper 3) Size: A4, A5, A6, B5 Hardcover notebook , hard cover notebook, notebook ... 1) Cover: hard cover2) Inner: wood free paper3) Size: A4, ... artworks are welcome! Item No:Hardcover notebook , hard cover notebook, notebook Material:Cover: hard cardboard or art paper, based on customer’ ...