These side skirts are 100% Hyundai OEM parts. It comes in the pair, left and right. The skirts are an OEM option on the 5 door Elantra in Korea, and are made of the same material your stock bumpers are made of. They will fit all Elantras from 01-06, 4 or 5 door. These include the OEM Mud flaps as well that allow for better installation.