• A patented, environmentally responsible, all-weather writing paper that sheds water and enables you to write anywhere, in any weather
• A Polydura cover and variety of page patterns make this notebook perfect for any situation
• It can survive the rigors of the field, regardless of the conditions
• Each page turns 180º easily so you can flip right to where you're working
• Unlike standard spiral wire binding, the wire-o material in these notebooks is rust resistant and ensures the pages turn true