White Permanent Paint Pen, Oil Based Paint Markers What can these paint pens be used for? -They are Oil-Based pens, meaning they are Waterproof, Permanent, Quick Dry and Not Transparent. -These paint pens will write on glass, paper, cardboard, fabric, rubber, plastic, canvas, metal, brass, cars, wood, stone, tires, etc. Almost all surfaces. How to use the paint pens -Shake the pen well. -Hold the pen with the tip at the top and press with your thumb. (this lets all the air out for even distribution of ink out the tip) -Now hold the pen with the tip at the bottom and press the pen down. (this lets the ink inside the pen to flow into the tip) -You are now ready to write on any surface! -To clean off, use mineral alcohol or turpentine. Description -No xylene and toluene. -Oil based ink, not transparent. -Shaking the paint pen before using. -Ink are conforming to the EN71-3 and ASTM D-4236 approved. -Ink are comply with the European union-ROSH directive. -The tip of the pen is approximately 2.0mm-2.8mm. -The pen is made of a transparent plastic outer which holds the ink and a plastic cap and end. -Brand new and comes sealed in plastic.