... )DurabilityScratch-free; More than 50,000,000 touches in one location without failureTouch mediumFinger, gloved finger, rubber soft pen etc.Surface ... , Methyl ethyl ketone, lsopropyl, alcohol, Methyl clcohol, Ethyl acetate, Ammonia-based glass cleaners, Gasoline, Kerosene, VinegarAccessoryDouble glue tape, dust-proof tapeAgency ...