These sketch books feature high performance paper that is pH neutral, lignin- and chloride-free and milled from pulp with an alpha cellulose content that exceeds 87%. The heavy-weight 180 lb. paper has a natural white rough surface with enhanced wet and tear strength making it is suitable for multi-media renderings.
The covers for the hard-cover and wire-bound editions are made with extra heavy-weight binders' board that is super tough and resistant to warpage. The flexible, yet rugged soft covers have soft-bound sewn bindings and rounded edges to prevent fraying.
The hard-bound books contain 26 sheets, the soft cover books contain 26 sheets, and the wire-bound books have 25 sheets. Bound in the USA.