Epsilon is an extra heavy-weight paper with a smooth hot-press like surface that is suitable for mixed media, including all dry media and ink, as well as light washes. The wirebound hardcovers are made with extra heavy-weight binders' board that is tough and resistant to warping. The paper contains both internal and surface sizing, is pH neutral, lignin and chloride-free, and 150 gsm. thick.
Each book contains 48 sheets. By Stillman & Birn.