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. The sulphite process extracts the lignin from wood chips and produces pure cellulose fibers for smooth, bright white paper appropriate for all your dry media projects. Details: Bright white 12" x 18" 50 lb. / 81gsm 30 sheets Tape-bound on 12" side Acid-free, sulphite paper Made with 25% post-manufacture recycled fibers For use with dry media