Try these back case and cover for redmi note 7 and note 7 pro. Also checkout the best scratch protectors and skins that you can use in place of cases.
Note 7 Pro Durability : https://youtu.be/tvMgK9uW6wY
Part [1] : https://youtu.be/A2Q0qyagVc0
Part [2] : https://youtu.be/-c6ETEUlZYI
Note 7 Screen Protector : http://bit.ly/2WpfUpd
Note 7 Pro Screen Protector : http://bit.ly/2WmweqE
Note 7 Pro Skins : http://bit.ly/2WtUEim
Note 7 Skins : http://bit.ly/2WtUZ4C
FOSO Case : https://amzn.to/2WthSF7
Norby Case : https://amzn.to/2WoOekh
REALIKE Case : https://amzn.to/2WsK9M8
Kickstand Case : https://amzn.to/2WveyJN
Flip Case (Not Reviewed) :https://amzn.to/2Wtdiqw
Mi Case Black : http://bit.ly/2WluMVA
Mi Case Yellow : http://bit.ly/2WpilIn