Strathmore Mixed Media Sketch Pad - 90 lb Paper - These 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.