Logitech Slim Folio Pro keyboard case for 12.9-inch iPad Pro review: An iPad keyboard fit for a MacBook | Macworld
Logitech Slim Folio Case with Integrated Bluetooth Keyboard for iPad (9th generation) - Gray - Apple
Amazon.com: Logitech Slim Folio PRO iPad Pro 12.9-inch (3rd gen) Keyboard case with Integrated Backlit Bluetooth Keyboard (only for iPad Pro 12.9-inch 3rd gen) : Electronics
Logitech Folio Touch - Keyboard Case with Trackpad for iPad Pro 11-inch (1st, 2nd & 3rd gen) and iPad Air (4th & 5th gen)