The Bienfang Mixed Media Pad is an excellent choice for experimenting or practicing techniques using multiple media including watercolors, acrylics, pen & ink, pencils, markers, pastels, collage and more. This medium-weight, fine surface paper accepts light washes well and withstands erasing. The sketchbook format makes it easy to take it anywhere. (40 Sheets, 90lbs Paper Weight, Acid Free.)