A4 SKETCHBOOK: 2 pack A4 (21*30cm) sketch books with 60 pages/ 30 sheets, with blank and unlined pages, the sketch book is perfect for branding your imagination and documenting your ideas. CONVENIENT SPIRAL DESIGN: With durable double-line coil binding design, the drawing pad is flexible and offers 360 degree rotation to maximize the sketching, drawing, and writing space. PREMIUM PAPER QUALITY: Blank drawing papers and hardback kraft cover are made of durable, well-made, non-toxic, harmless, and eco-friendly materials. High quality plain papers are strong and smooth, perfect for all drawings and sketches. VARIETY OF USAGE: This artist sketch pad is suitable for drawing and sketching at anytime anywhere. The sketch pad also can be used as notebook to keep a diary, working records, sudden inspiration, study notes, and travel journal. Warm Tip: This sketchbook is not suitable for any kind of watercolour mediums.