Strathmore 500 Mixed Media Roll is a 90lb (190 gsm) 106.68 x 731.52 cm or 42'' x 288'' Vellum / Fine Grain Natural White paper. Archival, lignin free and acid Free paper ensures longevity. Suitable for use with watercolour, gouache, acrylic, graphite, pen & ink, coloured pencil, marker, pastel and collage. Ideal for finished artwork in wet media and traditional drawing techniques