These use an expensive top end wrap material and is not a cheap vinyl. These are tailored specific to the Ranger Double Cab and are supplied with a fitting guide.
They are easily installed using water with a drop of 'fairy liquid' and a squeegee.
Ford Ranger Ultra-Wide Wheel Arch Extensions - 150mm / 6" wide Gloss Primer
Nissan Navara NP300 2017- Wheel Arches - Various Colours with Twin Fuel (AdBlue)
;){kind=link}