Strathmore 300 Series Mixed Media pads feature papers that combine true wet media performance and a dry media finish that is suitable for a range of mixed media applications. Each pad includes 40 light-weight 90 lb. sheets suitable for mixed media "sketches", practicing techniques and studies. The paper is acid-free and specially sized for wet media performance with a vellum finish that is excellent for drawing. Ideal for watercolor, gouache, acrylic, graphite, pen and ink, colored pencil, marker, pastel and collage These pads function as a Mixed Media "sketchbook", and include high counts and wire bindings like sketchbooks.