How many license plate "bumpers" are needed, 1 or 2?

[roadrunninMark]

I need to get new license plate bumpers (AMD has best price), but no where does it say how many are needed. Is it 1 or 2?

 

[dmartin]

Two

 

[Russ69Runner]

D your the man.

 

[roadrunninMark]

Thanks