More than two years , the car is still a great taste. Various conventional car air treatment , including 3M net breathing , the odor of ozone , etc. have done many times. All want to replace the car seats are leather, leather pores organization is an open architecture , the taste is adsorbed in the pores in the process of "skin" tanning to " reform" the large number of chemical raw materials to be added , which would is the source of flavor , 3M Han did not use, I have a fur coat hanging on a very airy aisle four years or the taste , the greater the worse the leather chemical smell , I did not smell the pungent taste of what Hermes store only the leather itself that delightful smell , leather seats blind warm winter and cool , it sets into the fabric . P.S. thank Master and Subscene