I received this from an acquaintance, but as I'm a system planner user, I won't be using it. I'd like to pass it on to someone who can make good use of it. It's a work by the popular handmade artist, poinche. Outer dimensions: Approximately 26cm (H) x 17cm (W) Inner dimensions: Approximately 24cm (H) x 32.5cm (W) (when opened) Surface: Laminated Liberty fabric It seems the retail price was around 10,000 yen. Please check the website for detailed specifications. Hobonichi Techo Jibun Techo Maketimeplanner