A high quality perfect bound, portrait format sketchbook, each has 60 sheets (120 pages) of 140g/m² natural white drawing paper which is acid free and has good age resistance. The paper has a matt surface with a tooth, it is surface sized and also withstands hard eraser use. Developed mainly for all dry work, Gerstaecker sketch books can also be used with water colour pencils. The sketch books are securely stitch bound with a 2mm thick cover for extra strength and finished in black. Price per book.