WATERPROOF PAPER: This compact synthetic paper notepad has 100 pages or 50 sheets. DuraRite plastic paper sheets won’t tear and can be submerged in water indefinitely. Manufactured by JL Darling, makers of Rite in the Rain, the DuraRite line of pocket notebooks are made for those taking notes in the most extreme environments. If you need a SCUBA dive log, food processing notebook, canoe or kayaking journal, shower notebook, or a fitness journal, you can trust DuraRite with your most valuable notes.