Sketchbook Zeta Mixed medium Black Stillman & Birn 8.9 x14cm Zeta series padded notebook for multi-technique drawing. One of the three thickest papers in the range, the Beta series allows artists to immerse their sketchbooks in water or pigment and explore bold new techniques. Extra thick 270gsm fine grain paper with white dye. Perfect for dry and wet techniques, ink , watercolor and multitechniques. Colour of covers: black. 26 sheets of paper. Acid free, neutral pH. Size: 8 .9 x 14 cm. Brand: Clairefontaine