One A4 Artist Sketch Book White Cartridge Paper, Card Cover Pad A4. DescriptionCard cover, 70gsm quality grade cartridge paper Acid-free drawing paper,60 sheets in ring binder Ideal for watercolour, ink, sketching + charcoals Use for landscape or portrait orientation, student, hobby or amateur use Card cover, 70gsm quality grade cartridge paper. Acid-free drawing paper, 60 sheets in secure Ring Binder. Ideal for watercolour, ink, sketching + charcoals. Use for landscape or portrait orientation, student, hobby or amateur use.