Rite in the Rain Weatherproof Soft Cover Pocket Notebook, 3.5" x 6", Green Cover, Universal Pattern (No. 964) WEATHERPROOF PAPER: 120 pages / 60 sheets per notebook. This paper that wont turn to mush when wet and will repel water, sweat, grease, mud, and even survive the accidental laundry mishap and more. COVER MATERIAL: Field Flex is Rite in the Rain most flexible cover material. Mud and water run right off, protecting your field notes in adverse weather conditions. WHAT TO WRITE WITH: Use a Pencil or All-Weather Pen and your notes will stay intact. Standard Ballpoint pens will work when paper is dry. Water-based inks will bead off Rite in the Rain sheets. ARCHIVAL PAPER: Rite in the Rain's archival-grade paper resists stains, survives moisture, and lasts a lifetime in storage. RECYCLABILITY: In spite of Rite in the Rain's durability, it is completely recyclable. Simply recycle Rite in the Rain as you do other white or printed papers.