Size: 6.7 x 6.1 inches (17 x 15.5 Specifications: 0.08 inch (2 mm) square (white) / Uses the finest Japanese writing paper "OK Fourus paper" Pages: 160 pages (80 sheets) [Features] The cover can be enjoyed over time with the round closure of Tochigi leather OK Fools Paper: The finest writing paper in Japan with excellent writing properties, such as smooth writing and good ink absorption