A3 sketchbook has 30 sheets, with 160gsm off white cartridge paper. Dimension: 42cmx29cm. A3 Sketchbook Perfect for sketching and are ideal for artists of all levelsThis book can be your sketch pad, sketchbook, drawing pad, memo pad, art book and even a plain scrap book. Good Guality Paper 160gsm Recycled White Drawing Paper.and the hardback cover offers necessary support. Wire Binding Wire binding makes the sketchbook flexible for both landscape or portrait. Ease To Clean Erasers are easy to clean,It is easy to draw on whenever you want. Suitable for all Kinds of tools It is ideal for all types dry techniques, such as pencil, pen, pastels, charcoal, sketching sticks and so on. Great for water colors too. Can be your sketch pad, drawing pad, art book and even a plain scrap book.Good for all level artists.