Founded by the Montgolfier family, Canson has been making paper since 1557. They are considered to be one of the world's foremost manufacturers, supplying to all levels from schools to professional artists. The XL Kraft A4 pad is double spiral bound and contains 60 sheets of 90gsm, subtly-lined brown kraft paper. It contains no optical brighteners and is acid-free. Best suited to graphite pencil and charcoal.