Car Grade PU/PVC. No Chemical Odor, Resistant, Tear Resistant Unique Fit. (Precise size that fits Perfect on the first seats). Doesn't D-Shape or turn out to be free. Simple to keep up and clean. A fitment procedure that includes use to Multiple Tape Wire, that is physically attached to the seat, for form particular (Tight) fitment. The blend of high Automotive Grade PU/PVC keeping the ideal match of the different auto insides as a primary concern