100% Recycled Bogus Rough Sketch paper is chemical free and completely biodegradable. This pad has a sturdy 100% recycled 70pt Eco-Board cover and a 9″ double wire binding. Use with dry media: pencil, charcoal, pastel and artist crayon. Recycled Bogus Rough Sketch paper (brown tone) provides excellent juxtaposition when used with light and dark media. 50 sheets per pad.