The repeated airmark pen allows you to customize their mark collection by filling to mix and create your own color.The applicable ink can be alcohol, pigment, acrylic ink. Material - painted paint pen is made of high-quality Material, which is light weight. High-hardness shell is more to wear, protecting your paint/acrylic ink. Steel ball design - each filled paint pen is designed with 2 steel balls to avoid watercolor or pigment solidification to make the writing smooth; you should put the ball in the pen holder first, then ink into the ink, and finally tighten the pen. Applicable scenarios - you can fill your favorite color with ink pen, and then start to paint on art graffiti, exhibition, autograph, canvas, , cars, -shirts, clothing, shoes, glass, mirrors or paper painting.It has a variety of uses and is very practical. We offer a 6-piece set of paint pens! These pens are of excellent quality. They feature an high quality barrel that offers excellent resistance, protecting the ink inside. These touch-up paint pens are outstanding, providing you with a smooth and precise writing or drawing experience. Don' miss out on this set of premium paint pens! Colour:As Shown Material:Plastic Package Contents: 1set * graffiti markers(3 x round pen tip, 3 x oblique tip) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.