Oh, the irony: a paper cover for those who have gone paperless.
Dutch maker Townshipsmile collects recycled brown paper from a local packaging factory, prints on the paper, and fuses it to a cotton strong enough to stitch. The cover is then treated with a water-resistant spray.
It turns out cement sacks are made of pretty hardy stuff. This sleeve is made of such bags, from Bangladesh. The extra long zipper runs around two sides of the sleeve, allowing for easy tablet removal.
Remember those textbook covers you'd make in high school – the ones made out of brown paper grocery bags? A YouTube DIY video takes that into the 21st century with a method for turning a cardboard box into a tablet case. What it lacks in aesthetics, it makes up for in affordability.