This hard-cover sketchbook features high performance, pH neutral, lignin- and chloride-free paper. The heavyweight 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. Details:Black cover, white sheetsA4 size- 8.25" x 11.75" (21cm x 29.7cm)180 lb./270 gsm26 sheetsAcid-free, pH neutral, lignin- and chloride-free paperSmooth surfaceMixed mediaDry and wet media, watercolor, ink