Rite in the Rain All-Weather Hard Cover Notebook, 4 3/4″ x 7 1/2″, Yellow Cover, Geological Pattern (No. 540F)

Amazon.com Price: $21.95 $18.53 (as of 05/01/2018 14:33 PST- Details)

WEATHERPROOF PAPER: 160 numbered pages / 80 sheets per notebook. This paper that won’t turn to mush when wet and will repel water, sweat, grease, mud, and even survive the accidental laundry mishap and more.
REFERENCE MATERIAL: This Geological notebook comes equipped with 20 pages of reference material, standard and metric rulers, and numbered pages.
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 weatherproof sheets.