Overview: Non-Toxic Permanent Water resistant Odorless Works on all colors How To Use: Step 1 Sandpaper the surface clean & smooth; Step 2 Shake the pen with cap on before using; Step 3 Paint carefully for a few times, ensure the paint cover the scratch totally (a little over for better further repair); Step 4 A week later, get the area smooth with a 2000 water sandpaper; Step 5 Polish and