Sketchbook Nova Mixed Stocking Black Stillman & Birn 17.8x25.4cm Nova series multi-technique drawing notebook. Ideal for a wide range of dry and wet media, this 150 g/m acid-free art paper m² supports multiple erases without lint and maintains the ink line without blurring. Color of the caps: black. Acid-free, neutral pH. 50 sheets. Size: 17.8 x 25.4 cm. Brand: Stillman & Birn