Fhi Hair

I have a new hair straightener FHI Pink Edition. I use it today and I put the hair straightener on the heat-resistant cases that came with my hair straightener more as I separate my hair. Then, when I used my FHI flat iron, I saw black spots on the sides of the case. How do I remove it? I tried to use water, but it failed.

Try nail polish remover, or Pinol.

Mine answer? :)
Does the color of hair look good on me?? Pictures inside!?