Classic Mini black plastic fluted side strip.
This black plastic fluted strip runs between the two plastic Mini Special wheel arches/flares on the bottom side of your Classic Mini car. 
These were fitted as standard on Classic Mini cars from 1984 until 1992. Dimentions: approximately 1270mm long.
You will require 2 x strips (one for each side of your Classic Mini car). (MWACZH4316).