Rite In The Rain All-Weather Notebook is designed to be tough and reliable, ready to withstand any challenge Mother Nature throws its way. This notebook repels water, oil, grease, and more, making it i for use in wet or dry conditions. It works seamlessly with Rite in the Rain all-weather pens, pencils, wax markers, and crayons, ensuring your notes stay clear no matter the environment. While permanent markers and standard ballpoint pens perform well in dry conditions, gel pens, most highlighters, fountain pens, and watercolors are not . The wood-based, recyclable paper endures rain, heavy sweat, mud, grime, heat, humidity, oil, grease, sleet, snow, fog, and mist. Its universal page pattern makes it for journaling or graphing, and a mini ruler on the cover allows for quick measurements. Available in two sizes and styles, the notebook versatility for various needs. Model Number: 373