This A3 Daler Rowney Ebony Spiral Portrait Sketchbook is an excellent choice for students and professional artists alike.With 50 sheets of crisp white 160 gsm cartridge paper, this spiral bound hardback sketchbook features a light texture idea for all dry techniques using pastels, graphite, charcoal etc and light watercolour washes.The rigid black embossed cover provides a sturdy and durable protection for the sheets inside as well as a handy drawing surface for on the go.. A3. Crisp white 160 gsm cartridge paper. 50 sheets. Light texture. Ideal for all dry techniques and light watercolour washes. Hardback with spiral bounding. Approximate dimensions (mm) H424 W312 D25. Weight 1.4kg