Easy installation. Don't worry about it being easily fall off. This fuel tank cap base is made of plastic, durable and long service time. This fuel tank cap is durable, and it is a good choice . A good replacement for the old or broken one, match for . This gas tank cover base protects the tank inside and prevents the sand and dust effectively. The door fuel filler cap base looks drab, with this fashion cover, not only make your car fuel filler cap looks special, but also it plays a very good protective effect. Part Number: 4637797, 4442912 Type: Fuel Tank Cover Base Applicable Location: Fuel Tank Cover Fitment: for Transit for MK6 2000-2006 for MK7 2006-2014 Colour: black+white Material: plastic Package Contents: 1 * Fuel Tank Cap Cover Base 1 * White oil port cover plate Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.