Stillman & Birn Epsilon Wirebound Sketchbook, Heavyweight 100lb, Natural White, 62 Sheets, 9x12 Contain 50 sheets (100 pages) of heavy-weight 100lb archival paper The paper is natural white in shade and has a plate surface Smooth surface is ideal for drawings in pen and ink ph neutral as well as no lignin or chlorine covers made of extra heavy weight binders board