Art and Design Research Institute Sketchbook Size: 30.5mm x 22.5mm Number of sheets: 50 total (4 sheets used, removed) Retail price: 850 yen Packaging: OPP bag Price negotiation: Not accepted Product Description: Uses environmentally friendly chlorine-free bleached pulp that does not use chlorine in the manufacturing process. Slightly larger than A4 size, making it easy to use.