Rite in the Rain Weatherproof CORDURA Fabric Notebook Cover, 3" x 5", Black Cover (No. C935B) CORDURA Fabric: Weather resistant and incrediably tough fabric with ruggeg zipper closure. STORAGE: Four internal writing instruments pockets, one pen refill pocket, and more. INTERNAL POCKETS: Perfect for storing other field equipment and other important take along information. DESIGNED: Specifically designed for 3" x 5" Rite in the Rain Top Bound Notebooks. ORGANIZATION: Rely on Rite in the Covers to keep your notes safe and sound through thick and thin.