Voberry Hot Sale Permanent Waterproof Car Tyre Tire Metal Paint Marking Pen Marker Motor Bike (Red) Shake about 30 seconds and clean the dust, oil, etc with the cleaning-aid before use Fast Drying Ink,waterproof,Press the tip down 3 or 4 times This permanent paint marker provides heavy duty and permanent markings Tip Diameter: Approx. 4.5mm Voberry is a protected Trademark