Canson Graduate Black  blocks  feature  extra black , smooth paper. The deep shade of black emphasizes the applied colors and gives the work a unique character. Thanks to the smooth surface, the paper is perfect for working with acrylic pencils and felt-tip pens. The blocks contain 20 sheets of 120 g / m² paper. Glued block on the short side. Back cover made of thick cardboard. The paper is acid-free and FSC-certified.