Made from high impact plastic. The black footwell extensions are included in the GYTR kick start kit for the YFZ450. For '04-'09 and '12 YFZ450 - designed to attach to the aluminum footwells (GYT-5TG57-00-00) or (GYT-5TG57-30-00) only. For '06-'11 Raptor 700R - designed to attach to the aluminum footwells (GYT-1S357-00-AL) only.