Tear it off first, then use a plastic phone card to scratch it,

Use alcohol, liquor, certain cosmetics, detergents, kitchen degreasing cleaners,

Turpentine,

penetrate into cloth or paper towel,

wipe vigorously.

Paint thinner (slightly toxic, flammable), cyclohexanone (toxic, flammable), trichloroethane (toxic, flammable) may dissolve the paint, so it is especially unsuitable Plastic substrate.