These journals deliver high-performing papers and heavy-duty features engineered to meet the intense demands of the artist s creative process. They offer a full range of acid-free paper types and weights and have heavy-duty covers with a wire binding that is thicker and stronger than traditional wire. The binding allows the journal to lie flat and open up 360 degrees. The?Bristol Journals contain 100 lb. paper (28 sheets per smooth finish journal and 24 sheets per vellum finish journal) ideal for dry media including pencil, pen, ink and marker. Great for pencil, charcoal, colored pencil, pastel, marker, pen, and light mix-media techniques.