Grammage: 200gsm Made of a mix cotton (25%) and a lignin free cellulose. FSC certified cellulose pulp and production with hydropower make this product highly eco-friendly. Suitable for; Watercolor, Tempera, Gouache, Acrylic, Ink, Charcoal Wax, Graphite, Felt-tipped Pens, Lithography, Silk Screening.