Made from recycled bike inner tubes. I was as doubtful as anyone, but these bags are super soft, durable, do not reek of rubber, and super cool. Here is some text from the manufacturer:
"This stylish, protective recycled tablet sleeve protects your technology investment while showing off your upcycling savvy. This sleek design is made specifically for the iPad, but also fits many other roughly 10 inch tablets. The easy access design has a fully secure hook and loop front closure and offers enough room for your iPad with a smart cover.
- Constructed from upcycled bicycle inner tubes
- Durable, highly water-resistant exterior
- Sized to be compatible with the iPad and several other roughly 10" tablets.
- 3 piping color options
- Inside sleeve dimensions:
- 10" (H) x 7 5/8" (W)