DO NOT BUY THIS CASE! the slim folio case made my iPad heat up and caused permanent yellow lines on the bottom of my iPad Pro screen. Not the good cheap option. :
Troubleshooting A Failed Connection Between Your Slim Folio Keyboard And IPad – GetNotifyR
My opinion on the Logitech Slim Folio Pro and the Apple Smart Keyboard for the iPad Pro 2018. : r/ipad