Tubular Car Seat Cushions Categories > DUREFLEX Products > 4. INFLATABLE CAR SEAT CUSHIONS > Tubular Car Seat Cushions Replicated original rubber cushions This type of cushion is made from a long tube of poyurethane film which is folded to create a cushion shape, just as the original rubber tube cushion. The tubes are made from welded polyurethane film and fitted with a car tyre valve. << Go Back