The Kindle Oasis is Amazon's flagships e-paper e-reader device. The 2017 edition features a 7" 300 DPI E Ink display (larger than previous Kindle e-readers) and is waterproof (IPX8) and supports audible books. The Oasis 2017 comes in either 8 GB or 32GB.
E Ink display info:
7" 300 DPI E Ink