- The ink shows up well on both light and dark surfaces, you can write over it with another POSCA marker once it gets dried
- The ink of the markers is water-based, non-toxic, and lightfast
- This set includes eight markers with a 0.7mm, X-fine tip
- Colours in this pack are Black, Blue, Green, Light Blue, Pink, Red, White, and Yellow
- Tip: Shake it with the cap on so that the ball inside it rattles. Then open it and place the tip on paper and press down so that the tip is pushed back into the body of the pen. Press the tip down several times until the ink begins to flow.