Stillman & Birn Zeta Series Premium Hard-Cover Sketchbook, 7" x 7"

This hard-cover sketchbook features high performance, pH neutral, lignin- and chloride-free paper. The heavy-weight 180 lb. paper has a smooth white surface that is suitable for all dry media and ink. With both internal and surface sizing, it will accept light washes, wet media and watercolor as well.