This glue bound bristol pad can be used with pencil, colored pencil, charcoal, pastel, pen and ink, marker, light watercolor wash and airbrush. It includes 20 sheets of 100 lb. (270 gsm) paper. The surface offers a medium texture ideal for illustration work.Details:White sheetsAvailable in multiple colors100lb/270gsm20 sheetsAcid-freeEasily erasable, quality surfaceFSC Certified, made using Hydro-PowerMade in Italy