Put your brand out there and on the road with this car fuel door cover. This car fuel door cover is made from stretch polyester material and has an elastic band that holds the cover on. It can be used with both round and square fuel doors that are 6.5" x 6.5" to 8.25" x 9.25". Please contact us for custom sizes if needed. Remove the fuel door cover before washing the vehicle. The cover can remain on while you're driving. 100 piece minimum.