Nanobook 2.0 Titanium Notebooks

These small notebooks are designed to be virtually indestructible. They have a grade 5 titanium cover, and their pages are made from stone and calcium carbonate, which makes them waterproof, fire-resistant, grease-proof, and generally everything-proof. Available in 2″ x 3″ and 3″ x 5″ sizes, with paper refills available.