Delfonics Rollbahn Spiral Classic Notebooks are notebooks with metal spiral bindings that feature a simple and timeless design. The notebooks have an elastic strap to ensure closure and a thick cover that makes it easy to write on. The sheets are high-grade paper that have a 5mm grid design and are fountain pen friendly. Each page is perforated for easy and clean page removal. Ideal for bullet journaling, notetaking, jotting down memos, and more. Delfonics is one of Japan's most respected stationers whose products are highly sought after. Like many aspects of Japanese culture, Delfonics' products reflect attention to detail and design individuality. Delfonics Rollbahn Spiral Classic Notebooks are notebooks with metal spiral bindings that feature a simple and timeless design. 5mm gridded pages. Features an elastic closure strap. Each page is perforated for easy and clean page removal. Ideal for bullet journaling, notetaking, jotting down memos, and more.