This Top Spiral All-Weather Notebook from Rite in the Rain features all-weather wood-based pages ideal for a wide variety of professions and hobbyists. From law enforcement and chefs to birders, gardeners, and photographers; the pages are water, oil, grease, and dirt resistant pages for worry-free outdoor note taking. Each 20 lb, unperforated page (100 pages/50 sheets) measures 3 x 5" and has a universal pattern. The cover is made from tough, flexible, and weather-resistant Polydura. Rulers, conversion charts, and map scales printed on the cover are handy in the field, and the notebook is bound with a rust-resistant, top-mounted, Wire-O spiral so it won&';t get bent out of shape when tossed around in your pack. All-Weather Wood-Based Paper Wood-based Rite in the Rain paper offers unique properties ideal for anyone who needs to write down information while outdoors and in any type of weather. The all-weather pages are resistant to water, oil, grease, and dirt. As they are not made from plastic, they will not stretch, dent, or melt in extreme heat. That also means they act more like regular paper in that each page can be recycled, folded, torn, and burned.