It rains a lot in the Pacific Northwest, which sucks if you're outside and are trying to write something on paper, as loggers once needed to. So in the 1920s, well before ruggedized tablets were invented, a guy named Jerry Darling created waterproof paper and sold it in notebook form
Rite in the Rain All-Weather Pocket Pen with Cap
Hydronote All-Weather Notebook
MECANICAL PENCIL ORANGE 1,3 mm RITE IN THE RAIN⎟ lecomptoiramericain
Mechanical Pencils, Leads, Erasers
OD13 : Rugged Mechanical Pencil - OD Green
Rite in the Rain 2B Red Pencil Lead Refills, 1.3mm x 60mm, Pack of 12
Rite in the Rain® No. 13 Mechanical Pencil
Rite in the Rain Weatherproof Mechanical Pencil
Rite in the Rain Weatherproof Mini-Bolt Pen
Rite in The Rain Weatherproof 4.625 in. x 7 in. Side Spiral Notebook Cover in Orange (3-pack)