PolyPaper* Laboratory Notebooks, NALGENE*
Valuable notes and data are permanently secured in this hard cover, 50-sheet case-bound book. Notebook features thick polyethylene cover with PolyPaper pages that are completely waterproof, tear-proof, and chemical-resistant. Pages are numbered and printed with a fine green 6mm (1/4") grid or horizontal lines. Pages include spaces for dates, signatures, and necessary documentation for securing patent protection. Additional pages are designated for instructions, table of contents, and notebook issuance.