Delfonics Rollbahn Spiral Horizontal Landscape Notebooks are classic notebooks with metal spiral bindings that bring 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 that makes it easy for perforation and clean removal. All the notebooks contain five plastic pockets to hold loose pieces of paper. 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. These come in four different sizes: Landscape Field (8 in. x 7 in.); Landscape Desk (10 in. x 8 in.); Horizontal Large (7-1/2 in. x 5 in.); Horizontal Medium (7 in. x 4 in.). Ideal for bullet journaling.