You will receive ONE center cap. 

You will receive the cap in the pics. 

Part # on the rear GC1M-37-192 & G07F-37-19x

Fits a lot of different rims, years and models. please match part numbers from the rear of the cap.  Here they are GC1M-37-192 & GD7F-37-19X

Face of cap measures approx 2 1/8" in diameter