Stillman Birn - BETA Hardcover Wirebound Watercolour Sketchbook - 7x7"The Beta Series lets artists drench their sketchbooks in water and pigment and try audacious new techniques. This paper only fuels the desire to create! Features 270gsm extra heavyweight paper with a white shade and cold press surface. Perfect for dry and wet media, watercolor, ink, and combining techniques. 25 sheets 50 pages Double wire binding provides extra strength and never snags High density board that is resistant to warping