I went with a lesser known brand because it was cheap and I didn't really need something super bulky. Just something to protect the screen and camera when I set the phone down on a desk or table.

https://www.amazon.com/HIDAHE-Holster-Oneplus-Kickstand-Release/dp/B08TWSSN5Z

I don't use the holster. The kickstand is definitely a plus and has come in handy more than a few times already.