2pcs Homonth Plastic Parts Crystal Coating Automotive Interior Instrument Panel Wax Plastic Cleaning And Reconditioning Coating Agent Our Plastic Parts Crystal Coating contains disodium EDTA， sodium bicarbonate， lauryl ether 7. It can effectively remove surface oil， dust， fingerprints and stains， form an invisible coating on the surface， protect the surface， prevent fading， cracking and wear， and make the dull car interior sparkling. Its use method is very simple: clean the surface and keep dry， pour the appropriate amount of this product on the sponge， wipe back and forth on the surface， wait for dry. Internal scratches and defects can be refurbished to improve the overall aesthetics of the interior.