Every Hahnemühle Nostalgie Sketch Book holds 40 sheets of classic, natural white, acid-free paper with a fine grain that accepts pencils, pens, and very light washes. A thread-stitched binding allows for drawing across the fold. 90 lb (190 gsm). - Hahnem�hle Nostalgie Sketch Book - 11-1/2'' x 8'', Portrait