Pro Art Sketch Paper is a multi-purpose paper for experimenting and perfecting techniques. It has a finely-grained surface that is excellent for use with dry media, including pencils, pastels, crayons, and charcoal. Contains 75 sheets of bright white, acid-free, sulfite sketch paper bound on the side. Allows book to lay flat or fold into a single page without closing. The sulfite process extracts the lignin from wood chips and produces pure cellulose fibers for smooth, bright white paper appropriate for all your dry media projects. 65 lb, 110gsm. The 8.5" x 11" pad contains 75 sheets. The 5.5" x 8.5" pad contains 100 sheets.