This is a 2 piece 1/4 panel filler kit.
Cadillacs Fleetwood, Brougham, Coupe, Deville from 1980 until 1992
Made out of 3 layers of handlaid fiberglass, better quality then those ABS plastic injected units that break into several pieces at impact, fiberglass is repairable ABS much harder if at all repairable.