USA Gear Kobo Aura H2O Tablet Sleeve Case Cover with Carrying Handle, Neoprene Shock Protection & Front Accessory Pocket for Kobo E-Readers – Works with Kobo Glo HD, One and More E-Readers/Tablets :
Cover Case For Kobo Aura H2o Edition 2 6.8" 2017 Waterproof E-reader E-book Pu Leather Cover Smart Shell+ Gifts - Tablets & E-books Case - AliExpress
Kobo Aura One Covers and Cases List | The eBook Reader Blog