Logitech 10.2" Keyboard Case Slim Folio for iPad (7th, 8th & 9th gen) - keyboard and folio case - graphite - 920-009473 - Keyboards - CDW.com
Logitech's touchpad case turns your iPad into a laptop, for a lot less than Apple's Magic Keyboard - CNET
Combo Touch Keyboard Case with Trackpad for iPad Air (4th gen) - Campus Computer Store
Amazon.com: Logitech Rugged Folio - iPad (7th, 8th & 9th generation) Protective Keyboard Case with Smart Connector and Durable Spill-Proof Keyboard Black 7.4" x 0.9" x 10.2" : Electronics