Find your way through any weather condition; develop the mission, then task directly from your notebook and intregrated display with the Rite in the Rain Land Nav Kit. Kit includes an all weather metal pen, tactical field book and book cover. The book cover fits side bound books up to 5.5"x7.25", display fits 4.625"x7". The cover has internal storage for 4 writing instrument pockets, 1 large zippered compartment, 1 notebook pocket. and 1 large pocket. The field book has 160 pages/80 sheets sized 4.25"x7.25". FeaturesTRANSPARENT DISPLAY- Designed in collaboration with "Battle Board" this scratch-resistant sheet protector secures your map and mission critical data.WRITES THROUGH...- Permanent ink writes through water, sweat, grease, and mud without clumping or smearing.TACTICAL FIELD BOOK- Filled with reference materials - rulers, charts, map scales, common symbols, and mapping techniques all prove handy in the field.