This new Plain Book A4 offers a wide plain pages to be filled with drawings, projects, and writings. 100 g/m2 acid free paper. Folio is a new, top quality collection, dedicated to creativity, free expression and design. The Folio Collection is produced to the highest standards and with top quality materials. There are different papers for different uses: writings, sketches and drawings, watercolours and paintings, sheets storage. All of the different papers used for the Folio Collection are FSC (Forest Stewardship Council) certified.