What is this cover any one know?

[Francismc27]

Cover came off car in round right hand wheel not sure what it’s for

 

[dosjockey]

Looks like a brake rotor dust shield, to me.

 

[Diggs24]

Looks like something from Hyrule.

 

[golfdave]

brake disc splash shield....to protect the rear of the brake disc from water & grit that bounces around the wheel arch...

 

[The Fed]

Cover came off car in round right hand wheel not sure what it’s for

Came off? How, with a crowbar?