The perfect field drawing journal. The black embossed covers provide a sturdy support for sketching outdoors and has micro perforated edges for easy removal. Features a super sturdy, black double wire spiral binding. Each sketch book has 80 sheets of light cream colored, acid free, 70 lb.(110 gsm) paper with a fine, even surface texture. Perfect for classes or quick sketches and studies in graphite, colored pencil, Conté crayon, technical pens, and more.