PVC car seat cushion, especially for tuck/taxi driver. PVC car seat cushion Item#:HTC-01MaterialPVC+SteelSize:Universal sizePacking:1pc/opp BagColor:Green, Blue, Yellow Function:w/big hump, make truck/taxi driver, who has long trip to feel more comfortable and less tired when driving. It is made of steel, very strong to support. PVC material on the back and seat support, It is venting when ...