Kokuyo
Kokuyo has been making stationery in Japan since 1905. Their Soft Ring notebook solves the problem of a spiral binding that digs into your wrist — the rings are soft and flexible, lying completely flat when the book is open. B5 format with bleed-resistant paper that handles most pens without ghosting. Available in grid dot and B ruled (6mm lines). The notebook that makes you wonder why all spirals aren't made this way.