(8Color by DUBU) Tyre Permanent Paint Pen Tire Metal Outdoor Marking Ink Marker 1pc (White) Motorcycle Tire Marker Paint Pen, it is Plastic Suitable for all types of tires and Comfortably to use. Mark your tire's Raised letters and mark your racing tires for identification. Before paint your tires, clean the dust, oil, etc with the cleaning-aid. Marks on all surfaces including rubber, metal, wood, glass, plastic, cardboard and paper.