Multipack of small waterproof notebooks. Take field notes on these in any weather.
Rite in the Rain says:
The University of Washington Biology Department is home to a 40-year catalog of field data on Magellenic penguins - all within Rite in the Rain staple-bound notebooks. UW trusts only Rite in the Rain to protect this data from the rigors of field work, Mother Nature, and Father Time.
The Rite in the Rain Staple-Bound Notebook is compact, flexible enough to slip into a pocket, and its durable cover defends against weather and wear. The patented paper is water-resistant, archival-grade, and available page patterns are optimized for your data collection. This is a notebook that can be brought anywhere and survive any weather. At only a few bucks a notebook, it protects your wallet from damage, too.
Sold in Packs of Three!