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 100 lb. (150gsm) paper has a smooth white surface, and is suitable for pen, ink and dry media. With both internal and surface sizing, it will accept light washes as well.
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 62 sheets, the soft cover books contain 46 sheets, and the wire-bound books have 50 sheets. Bound in the USA.