The Auto Marker is designed for sign writing on non-porous vehicle surfaces such as marking on paintwork and windscreens. What makes our paint markers unique is that its water resistant to showers however it is easy to remove the ink from surfaces with a wet cloth, this makes updating your glass paint text on a regular basis more efficient. The formulation is water based and with no solvents. How to Apply: Once you have a clean non-porous surface you simply shake the marker then pump the nib on a flat surface repeatedly to activate. The ink will dry within a minute of use. Product Specifications Black Auto marker pen with a 15mm broad nib. Wet wipe erase with a wet cloth. Suitable for indoor and outdoor use. Resistant to showers. Valve activated to control ink flow. For use on car body panels and windscreens. Water based & non – toxic.