Speck is yet another reputable case manufacturer, and its Balanced Folio for the iPad Mini 6 is a must-have. It features full body protection with support for the auto wake/sleep feature.
The Speck Balance Folio is another excellent iPad Air M2 case, and it's a bit cheaper than the Apple Smart Folio. It's a great, economical choice if you're not picky about having a bunch of colors ...